CN113749318A

CN113749318A - Waist-tightening abdomen-contracting leg-straightening hip-lifting trousers and preparation method thereof

Info

Publication number: CN113749318A
Application number: CN202111171223.0A
Authority: CN
Inventors: 麻舒婷; 曾嘉欣
Original assignee: Guangzhou Yuebian Clothing Co ltd
Current assignee: Guangzhou Yuebian Clothing Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2021-12-07

Abstract

The invention discloses a pair of trousers with waist tightening, abdomen tightening, straight legs and buttocks lifting and a preparation method thereof.A glue pressing layer is arranged on the back surfaces of the crotch and the trouser legs, the glue pressing layer extends from the outer edge of gluteus maximus of a human body to vastus lateralis, rectus femoris and intergluteus femoris, the glue pressing layer is also arranged around knee joints of the human body, and the glue pressing layer plays roles of buffering and protecting and is beneficial to the action and extension of a wearer; in addition, the crotch is correspondingly provided with a hip lifting line, one side of each trouser leg is provided with a leg line, and the waist of each trouser leg is provided with a waist shaping part, so that the waist, the hip and the legs of a human body are shaped; and a plurality of trouser leg joints are arranged on the trouser legs, and the trouser legs are cut automatically through the trouser leg joints.

Description

Waist-tightening abdomen-contracting leg-straightening hip-lifting trousers and preparation method thereof

Technical Field

The invention relates to the technical field of shaping trousers, in particular to a method for manufacturing trousers with functions of tightening waist, tightening abdomen, straightening legs and lifting hips.

Background

Along with the rapid development of the national economy of China, the living standard of people is improved, and people have the requirement that the clothes are suitable for being worn in different occasions. In particular, in sports and leisure areas, people want to wear comfortable, protective and beautiful pants.

In the existing market, a plurality of yoga trousers which can be used for getting back, lifting hips and optimizing leg lines appear, but the yoga trousers are still not comfortable enough, fit, beneficial to the unfolding of actions and do not play a role in protection.

Disclosure of Invention

In order to solve the problems that the existing trousers are not comfortable enough, fit, beneficial to action and exhibition and have no protection effect, the invention provides the waist-tightening, abdomen-contracting, leg-straightening and hip-lifting trousers which are comfortable, fit, beneficial to action and exhibition and have the protection effect.

The technical scheme of the invention is as follows:

the invention relates to a pair of trousers with waist tightening, abdomen tightening, straight legs and hip lifting, which comprises a trousers waist, a trousers crotch and trousers legs, wherein glue pressing layers are arranged on the back surfaces of the trousers crotch and the trousers legs, the glue pressing layers extend from the outer edge of gluteus maximus of a human body to vastus lateralis, rectus femoris and intergluteus femoris, the glue pressing layers are also arranged around the knee joint of the human body and on the back surface of crus of the human body, a plurality of trouser leg joints are arranged on the trousers legs, and the trouser legs are automatically cut through the trouser leg joints.

Further, crotch department is equipped with carries the buttockss line, is equipped with the leg line in one side of trouser legs, the outside of human thigh is located to the leg line, it is the M font to carry the buttockss line, the leg line is the wave, waist and waist line are moulded in trouser waist department, it extends to the extraabdominal oblique muscle from human skeleton psoas to mould the waist, waist line locates human back waist department.

Furthermore, pockets are arranged on one side or two sides of the trouser legs corresponding to the thighs of the human body, the pockets are flatly attached to the side edges of the thighs, and convex edges are arranged at the tops of the pockets, so that the pockets can be found conveniently.

Further, mould the waist inboard and be equipped with dark check, dark check correspond to human belly, place thermal-insulation bag or mosquito repellent package through dark check.

Furthermore, knee pad pastes are arranged on the trouser legs corresponding to the positions of the knees of a human body, the knee pad pastes can be detached from the trouser legs, adhesive substances and films are arranged on the knee pad pastes, and the adhesive substances are attached to the trouser legs by uncovering the films.

The invention also discloses a preparation method of the trousers for tightening waist, tightening abdomen, straightening legs and lifting hips, which is characterized by comprising the following steps of:

step 1), making a fabric of the trousers with waist tightening, abdomen tightening, straight legs and hip lifting;

step 2) cutting cloth according to the paper pattern to obtain a waist cut piece, an oval crotch piece, a left crotch and trouser leg integrated cut piece and a left crotch and trouser leg integrated cut piece;

step 3) manufacturing adhesive layers on the left crotch and left crotch integrated trouser leg cut pieces;

step 4), sewing the trousers waist cut-parts, sewing the waist line and the waistline line by using a flat car sewing machine, respectively sewing by using three needles and five lines, wherein the sewing line width is 0.5cm-0.6cm, and after the trousers are put up backwards and forwards, bending the needles by using fluffy lines;

step 5) sewing the waistband cut piece, the left crotch and trouser leg integrated cut piece and the right crotch and trouser leg integrated cut piece with four needles and six threads, cutting a V-shaped cut position on the back waist of the waistband cut piece, sewing the seams on four threads, and sewing the seam, wherein the seam is 0.5cm-0.6cm wide from the back middle to the right side, the curved needle is made of a fluffy thread, the V-shaped position is fixed by jujube punching, and the jujube length is 0.6 cm;

step 6) sewing crotch center lines on the front and back surfaces between the left crotch and right crotch integrated cut pieces, wherein the crotch center lines are connected with the V-shaped bottom to form a complete M-shaped hip lifting line;

step 7) sewing the oval crotch piece and the crotch and trouser legs integrated piece, wherein the oval crotch piece is connected with the crotch central line on the front and back surfaces;

step 8) sewing the side bones of the integrated crotch and trouser legs into four lines, and sewing the front ends of the four lines by 0.5cm-0.6 cm;

and 9) sewing the trouser leg knots, and beating 3 jujubes on the outer sides of the leg openings, wherein the distance is 3cm, and the length of each jujube is 0.6 cm.

Further, the fabric in the step 1) is 70% -75% of nylon and 25% -30% of spandex.

Further, far infrared finishing agent HF70, antibacterial agent AMP, softening agent, fluorine-free waterproof agent and moisture absorption and sweat releasing auxiliary agent are added into the fabric in the step 1).

Further, the pocket cut pieces are further cut in the step (2), and the pocket cut pieces are further sewn on the left crotch and/or leg integrated cut pieces in the step (3).

Further, the far infrared finishing agent HF70 comprises waterborne polyurethane, epoxy resin, ceramic powder, ZnO, TiO2, sodium polyacrylate, polyvinyl alcohol Z-200, isocyanate, N-hydroxymethyl acrylamide and deionized water.

The invention has the beneficial effects that: the adopted fabric has excellent elasticity, a warm-keeping function, an antibacterial function, a moisture absorption and sweat releasing function, the back surfaces of the crotch and the trouser legs are provided with the pressure glue layers, the pressure glue layers extend from the outer edges of the gluteus maximus of a human body to the vastus lateralis, the rectus femoris and the intergluteus femoris, the pressure glue layers are also arranged around the knee joints of the human body, and the pressure glue layers play roles of buffering, protecting, supporting the buttocks and stretching leg lines, so that the action stretching of a wearer is facilitated and the beautiful figure is displayed; in addition, the crotch is correspondingly provided with a hip lifting line, one side of each trouser leg is provided with a leg line, and the waist of each trouser leg is provided with a waist shaping part, so that the waist, the hip and the legs of a human body are shaped; and a plurality of trouser leg joints are arranged on the trouser legs, and the trouser legs are cut automatically through the trouser leg joints.

Drawings

FIG. 1 is a schematic front perspective view of a pair of waist-tightening, abdomen-tightening, leg-straightening, hip-lifting pants according to the present invention;

FIG. 2 is a schematic front perspective view of a pair of waist-tightening, abdomen-tightening, leg-straightening, hip-lifting pants according to the present invention;

FIG. 3 is a schematic view showing a first structure of the back side of the waist-tightening, abdomen-tightening, leg-straightening, hip-lifting pants according to the present invention;

FIG. 4 is a schematic view of a second reverse side structure of the waist-tightening, abdomen-tightening, leg-straightening, hip-lifting pants of the present invention;

FIG. 5 is a schematic view of the reverse perspective structure of FIG. 2;

FIG. 6 is an enlarged schematic structural view of the bottom of a trouser leg knot of the waist-tightening, abdomen-tightening, straight-leg hip-lifting trousers according to the present invention;

FIG. 7 is an exploded view of the waist panel, the oval crotch panel and the crotch and leg integrated panel of the waist-tightening, abdomen-tightening, straight-leg hip-up pants of the present invention;

fig. 8 is an enlarged structure schematic view of the waist-tightening, abdomen-tightening, straight-leg and hip-lifting trousers provided with the pocket.

In the figure, 1 is the waist of trousers, 11 is for moulding the waist, 12 is the waist line, 2 is the crotch, 21 is for carrying the buttockss line, 3 is the trouser legs, 31 is the leg line, 32 is the bottom of a trouser leg knot position, 4 is the adhesive tape, 5 is the waist of trousers cut-parts, 6 is oval crotch piece, 71 is the integrative cut-parts of left crotch trouser legs, 72 is the integrative cut-parts of left crotch trouser legs, 73 is the pocket, 74 is the thick limit, 8 is the dark check, 9 is knee-pad subsides.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

Referring to fig. 1-7, the invention provides waist-tightening abdomen-tightening straight-leg hip-lifting trousers, which comprise a trousers waist 1, a crotch 2 and trousers legs 3, wherein the back surfaces of the crotch 2 and the trousers legs 3 are provided with a glue pressing layer 4, the glue pressing layer 4 extends from the outer edge of gluteus maximus of a human body to vastus lateralis, rectus femoris and vastus intermedius, and the glue pressing layer 4 is also arranged around the knee joint of the human body and on the back surface of crus of the human body. What the pressure glue film played corresponding human buttock position is the effect of holding in the palm buttockss, what the pressure glue film played corresponding human shank position is the effect of extending shank muscle, and the pressure glue film is hollow circle form at the pressure glue film 4 that corresponds human knee joint, and one comes to carry out the buffering of thickening position from the knee excircle, and two come to protect the junction of knee and shank and thigh when the action extends, comfort level when guaranteeing to extend. Because the position of the knee joint can not be tightly wrapped by the trousers, the tight knee joint can not be stretched. Therefore, the adhesive pressing layer plays the roles of buffering, protecting, supporting the hip and stretching leg lines, and is beneficial to the action stretching of the wearer and the display of beautiful stature.

The trouser leg 3 is provided with 2 trouser leg connecting positions 32, and the trouser leg is automatically cut through the trouser leg connecting positions 32. The user cuts the trousers by oneself according to the position of bottom of a trouser leg knot position 32, only need cut at the position that bottom of a trouser leg knot position 32 is lower a bit can, also can say that 0.1cm department under the bottom of a trouser leg knot position is cut out, can not cut bottom of a trouser leg knot position 32 department, also can cut into nine cents trousers by oneself. The 2 trouser leg connecting positions 32 are 2 trouser leg connecting positions 32 on the left leg and the right leg respectively.

The crotch 2 is provided with a hip lifting line 21, one side of the trouser legs 3 is provided with a leg line 31, and the leg line 31 is arranged on the outer side of the thigh of the human body.

As can be seen from FIGS. 1, 2 and 5, the inner thighs of the waist-tightening, abdomen-tightening, leg-straightening, hip-lifting pants according to the present invention have no sewing thread, and conventional pants have sewing threads on both sides of the thighs, but the present invention is designed such that the inner thighs have no sewing thread, thereby reducing the strangulation of the wearer and the friction during exercise, and thus providing more comfort.

The hip lifting line 21 is M-shaped, so that the hip of a wearer is fuller. The hip lifting line 21 and the adhesive pressing layer have double functions of lifting the hip corresponding to the hip of a human body, and the adhesive pressing layer 4 and the hip lifting line 21 are combined to better shape the line of the hip of the human body.

In addition, the adhesive pressing layer 4 can bring buffer force to the corresponding position, and when collision occurs or the action is large, the corresponding position is protected. The glue pressing layer is a muscle-regulating line and is designed according to human engineering.

The leg wire 31 is wavy. Most of leg lines on two sides of existing trousers are linear, but most of leg lines of people are not completely straight, when the trousers are worn tightly, the leg lines 31 can shift, the leg lines are not attractive, the wavy leg lines 31 are designed according to the lines on two sides of legs of a human body, the peak values are correspondingly formed at the positions of buttocks and calf, and therefore the legs of the human body are shaped.

The waist of trousers 1 department is equipped with and moulds waist 11, it extends to the extraabdominal oblique muscle from human skeleton psoas to mould waist 11. The waist shaping part 11 is used for wrapping and collecting the lower abdomen, protecting the navel and protecting the belly from catching cold.

Waist line 12 is arranged on waist shaping portion 11, waist line 12 is arranged at the back waist of a human body, waist line 12 can prevent trousers from sliding down through tightening the waist, and the waist is thin.

One side or two sides of the trouser legs 3 corresponding to the thighs of a human body are provided with pockets 73, the pockets 73 are flatly attached to the side edges of the thighs, and the tops of the pockets 73 are provided with convex edges 74, so that the pockets can be found conveniently.

The hidden lattices 8 are arranged on the inner side of the waist plastic part 11, the hidden lattices 8 correspond to the abdomen of a human body, the warm-keeping bags or the mosquito-repellent bags are placed through the hidden lattices 8, and when the trousers are worn in cold days, warm babies or hand warmers can be placed in the hidden lattices to keep the body warm; when more mosquitoes are available outdoors in summer, the mosquito repellent bag can be placed in the dark cell 8.

Knee pads 9 are arranged on the trouser legs 3 corresponding to the knee positions of the human body, the knee pads 9 can be detached from the trouser legs 3, the knee pads 9 are provided with adhesives and films, and the adhesives are attached to the trouser legs 3 by uncovering the films. The adhesive is a traceless adhesive and can be freely uncovered without damaging the trousers.

The above is an implementation of the knee protector, and there are other implementations of the knee protector, for example, (1) the inner side of the trouser leg is provided with a hidden grid corresponding to the knee of the human body, and the knee protector can be installed, so that the knee protector can be installed without adhesives and films, and when the wearer needs to protect the knee, the knee protector is directly installed on the trousers; (2) the kneepad patch is additionally provided with a bandage, and is fixed on the knee through the bandage, and the kneepad pad can be free of adhesives and films.

The waist-tightening abdomen-tightening straight-leg hip-lifting trousers are made of spandex fabric and nylon fabric. The spandex fabric is polyurethane elastic fiber, and the nylon fabric is synthetic fiber.

In addition, the bottom of the trouser leg is not capable of loosing the thread end, which is called as the bottom of the trouser leg is provided with a loose edge.

The main physical and chemical properties of spandex:

1. the form is as follows: the cross section of the polyester elastic fiber is in a shape of a kidney bean, and the cross section of the polyether elastic fiber is in a shape of a triangle.

2. Strong elongation and elasticity: the strength of the spandex is very low, the breaking strength of the filament is about 4-9 cN/tex, but the elongation of the spandex is very large, the breaking elongation reaches 450-800%, and the elasticity is very good. Therefore, high elongation and high elasticity are the biggest characteristics of spandex.

3. Hygroscopicity and dyeability: the spandex has poor hygroscopicity, and the moisture regain is about 0.8-1% under common atmospheric conditions. But the dyeing performance is better.

4. Other properties: the density of the spandex is only 1-1.3 g/cm 3. In addition, the spandex has better acid-base resistance, solvent resistance, light resistance and wear resistance.

The performance of nylon:

1. high strength and wear resistance, and is the first of all fibers. Its wear resistance is 10 times that of cotton fiber, 10 times that of dry viscose fiber and 140 times that of wet viscose fiber. Therefore, the durability thereof is excellent. The nylon fabric has excellent elasticity and elastic recovery, but is easy to deform under small external force, so that the fabric is easy to wrinkle in the wearing process. The ventilation and air permeability are poor, and static electricity is easy to generate.

2. The moisture absorption of nylon fabrics is a better variety among synthetic fiber fabrics, so that garments made of nylon are more comfortable to wear than polyester garments. Has good mothproof and corrosion resistant performances.

3. The heat resistance and light resistance are not good enough, and the ironing temperature is controlled below 140 ℃. During wearing and using, the washing and maintaining conditions need to be paid attention to so as to avoid damaging the fabric.

The invention relates to a preparation method of trousers for tightening waist, tightening abdomen, straightening legs and lifting buttocks, which comprises the following steps:

step 2) cutting cloth according to the paper pattern to obtain a waist cut piece 5, an oval crotch piece 6, a left crotch and leg integrated cut piece 71 and a left crotch and leg integrated cut piece 72;

step 4), sewing the trouser waist cut-parts 5, sewing the waist line and the waistline line by using a flat car sewing machine, respectively sewing by using three needles and five lines, wherein the sewing line width is 0.5cm-0.6cm, and after the trouser waist cut-parts are reversely put forward, bending the needles by using fluffy lines;

step 5) sewing the waistband cut piece 5, the left crotch and trouser leg integrated cut piece 71 and the right crotch and trouser leg integrated cut piece 72 with four needles and six threads, cutting a V-shaped opening at the back waist of the waistband cut piece 5, sewing the skeleton and the casual line with four threads, wherein the casual line is 0.5cm-0.6cm in width from the back middle to the right side, the curved needle is a fluffy line, the V-shaped position is fixed by jujube punching, and the jujube length is 0.6 cm;

step 6) sewing crotch center lines on the front and back surfaces on the crotch and trouser leg integrated cut pieces 7, wherein the crotch center lines are connected with the V-shaped bottom to form a complete M-shaped hip lifting line;

step 7) sewing the oval crotch piece 6 with the crotch and trouser leg integrated pieces 7, wherein the oval crotch piece 6 is connected with the crotch central line on the front and back surfaces;

step 8) sewing the side bones of the crotch and trouser leg integrated cut pieces 7 in four lines, and sewing the front ends of the four lines to be 0.5cm-0.6 cm;

step 9) sewing the trouser leg knots 32, beating 3 jujubes on the outer side of the leg openings, wherein the distance is 3cm, and the length of the jujubes is 0.6 cm.

The fabric in the step 1) is 70-75% of nylon and 25-30% of spandex.

The fabric in the step 1) is added with far infrared finishing agent HF70, antibacterial agent AMP, softening agent, fluorine-free waterproof agent and moisture absorption and sweat releasing auxiliary agent.

And (3) further sewing the pocket cut-parts on the left crotch and/or the left crotch and trouser legs integrated cut-parts.

In particular, in the step (4), the waist line and the waist line are sewn, and three-needle five-line sewing is respectively performed, wherein the three-needle five-line sewing is to stitch edges firstly and then stitch the threads, so that the thickness is thicker, and the three-needle five-line sewing has a direct effect: the friction force is increased, and when the waist-lock type waist-lock ring is worn on the body, the waist can be clamped, so that the waist-lock type waist-lock ring is prevented from sliding downwards. The four-needle six-thread sewing adopted in the step (5) is a higher process requirement for the wearer experience, and the four-needle six-thread sewing consists of four upper threads, one bottom thread and one halbach thread, so that the sewing effect with unique high elasticity, flatness and high strength is achieved; thereby solved the yoga trousers on current market and generally adopted ordinary sewing, produced the mark of reining in easily, caused the problem of rubbing to shank skin.

The far infrared finishing agent HF70 comprises waterborne polyurethane, epoxy resin, ceramic powder, ZnO, TiO2, sodium polyacrylate, polyvinyl alcohol Z-200, isocyanate, N-hydroxymethyl acrylamide and deionized water.

The far infrared finishing agent HF-70 is a far infrared absorbent specially used for cellulose fiber and nylon fiber, and is a novel nano far infrared finishing agent taking nano far infrared powder as an active component. The absorbent can absorb infrared rays emitted by the surface of an object and irradiated from the outside, has a warm-keeping effect, can release negative oxygen ions, enables people to feel fresh air, breathe smoothly, relax and happy, and feel relaxed and happy, and is beneficial to the rehabilitation of patients with various chronic diseases.

The antibacterial agent AMP is a reaction-bound durable antibacterial agent, and belongs to a non-leachable antibacterial finishing agent. The main component is an organic silicon quaternary ammonium salt compound, which can efficiently kill harmful bacteria, fungi, mould and the like; the molecule contains a large amount of reactive active groups and cationic antibacterial groups; the water-soluble quaternary ammonium salt antibacterial agent can be chemically combined on the fabric through the reactive active groups and can be condensed to form a film, and the antibacterial agent is combined with fiber molecules through covalent bonds, so that antibacterial substances are not dissolved out of the fiber molecules, and the fabric is highly resistant to washing. The antibacterial mechanism is that an antibacterial agent with positive charges or weak positive electric fields adsorbs negatively charged bacteria through electrostatic action, so that cell walls are broken, and substances in cells leak, thereby causing the death of the bacteria.

An absorbent antiperspirant comprising the following components: modified nano particles, an auxiliary agent, plant essential oil and a solvent; the modified nano particles can be modified titanium dioxide, for example, modified titanium dioxide obtained by modifying sodium allylsulfonate as a modifier; the modified titanium dioxide is used for providing water absorption and friction resistance; the auxiliary agent is used as a dispersant, an antibacterial agent or a film-forming agent, such as polyethylene glycol with dispersion performance, sodium dodecyl benzene sulfonate, sodium citrate and chitosan with stabilization effect, chitin with antibacterial performance and vaseline with film-forming effect.

Further, the waist panel 5 in the step 3 is folded and sewed to form a double-layer structure.

Further, in the step 6, the oval crotch piece 6 and the crotch and trouser leg integrated cutting pieces 7 are overlapped and sewn to form a double-layer structure.

Further, after the trouser waist cut piece 5 is obtained in the step (2), the dark lattices 8 are manufactured, namely, an opening is sewn, so that the waist shaping part 11 is provided with a heat preservation bag or a mosquito repelling bag through the dark lattices 8.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The trousers are characterized by comprising a trousers waist, a crotch and trousers legs, wherein pressure glue layers are arranged on the back surfaces of the crotch and the trousers legs, the pressure glue layers extend from the outer edges of gluteus maximus of a human body to vastus lateralis, rectus femoris and intergluteus femoris, the pressure glue layers are further arranged around knee joints of the human body and on the back surface of crus of the human body, a plurality of trouser leg knots are arranged on the trousers legs, and the trouser legs are cut automatically through the trouser leg knots.

2. The trousers according to claim 1, wherein a hip-lifting line is arranged at the crotch, a leg line is arranged at one side of each trouser leg, the leg line is arranged at the outer side of the thigh of the human body, the hip-lifting line is M-shaped, the leg line is wavy, a waist-shaping portion and a waist line are arranged at the waist of the trousers, the waist-shaping portion extends from the ilium psoas muscle of the human body to the extraabdominal oblique muscle, and the waist line is arranged at the back waist of the human body.

3. The trousers according to claim 2, wherein the trousers have a pocket at one side or two sides of the trousers corresponding to the thigh of the human body, the pocket is attached to the side of the thigh, and a convex edge is arranged at the top of the pocket, so that the pocket can be found conveniently.

4. The trousers of claim 3, wherein the inner side of the waist portion is provided with a hidden lattice corresponding to the abdomen of the human body, and a thermal insulation bag or a mosquito repellent bag is placed through the hidden lattice.

5. The waist-tightening, abdomen-tightening, leg-straightening and hip-lifting trousers as claimed in claim 4, wherein knee pads are arranged on the trouser legs corresponding to the knee positions of the human body, the knee pads are detachably arranged on the trouser legs, the knee pads are provided with an adhesive and a film, and the adhesive is attached to the trouser legs by uncovering the film.

6. A preparation method of trousers for tightening waist, tightening abdomen, straightening legs and lifting hips is characterized by comprising the following steps:

7. The method for preparing the trousers with the functions of tightening waist, tightening abdomen, straightening legs and lifting hips as claimed in claim 6, wherein the fabric in the step 1) is 70% -75% of nylon and 25% -30% of spandex.

8. The method for preparing the trousers with the functions of tightening waist, tightening abdomen, straightening legs and lifting buttocks as claimed in claim 7, wherein far infrared finishing agent HF70, antibacterial agent AMP, softening agent, fluorine-free waterproof agent and moisture absorption and sweat releasing auxiliary agent are added to the fabric in the step 1).

9. The method for preparing the waist-tightening, abdomen-drawing, straight-leg and hip-lifting trousers according to claim 8, wherein a pocket cut piece is further cut in the step (2), and a pocket cut piece is further sewn on the left crotch and/or leg integrated cut piece in the step (3).

10. The method for preparing the trousers with waist tightening, abdomen tightening, straight legs and buttocks lifting function as claimed in claim 6, wherein the far infrared finishing agent HF70 comprises waterborne polyurethane, epoxy resin, ceramic powder, ZnO, TiO2, sodium polyacrylate, polyvinyl alcohol Z-200, isocyanate, N-hydroxymethyl acrylamide and deionized water.