With the revolution in materials and design innovation, with different functions are also many. Produce different resultskey to the length oftype, in the lumbar-type, standard type, ordinary type, as well as trousers tube. Modified tube-type pants feature the most comprehensive, because it can tighten the waist, abdomen, buttocks and abdominal fat, emphasizing the slender curve of a whole. underwear brands will be "soft reduction", "medium pressure" and "high pressure" of three, so that individual consumers under the pressure of the muscles of the different responses and different to the wearing comfort to make a choice. "Soft reduction" the pursuit of a high degree of comfort, modified low, "medium pressure" medium load bearing capacity, easy to wear, suitable for the use of wearing ordinary clothes. "High pressure" typically a strong elastic material such as cloth and double crotch in order to strengthen the capacity of body modification. Modified form of high-functioning hipgenerally are based on the human abdomen, buttocks muscles to draping from wearing them comfortable, smooth. Slightly protruding from the abdomen before abdominal film should use theinelasticdesign, it allows the abdominal muscles without security by compulsory binding to achieve the ideal state. Hips do not form a perfect body should be selected to the hip hipstrong flexible design, can play effectively lifts, resense of tension, so not used to wearing longhip discomfort to achieve results. High performance longthan ordinary right trouser leg longer hip in the role playedcan also improve the lines of the legs so that leg muscles to tighten, showing a slender curve moving. General suchfabric in the hip will strengthen the role of the modified curve, after the three-dimensional film in addition to cutting the use of strong elastic fabric can be adjusted to achieve the purpose of buttock-shaped.