Chinese ancient times: Early in Chinese ancient times, had been woven into the earliest linen, its density is 10pcs / cm, but then underwear and outerwear was little difference, but the original naked, warm purposes. 4,000 years ago, linen has reached the 24pcs / cm, with the spread of technology Ancestor silk underwear outerwear increasingly distinguished features, called Bra and Guodu like. From "Wearing Ladies" in low-cut chiffon embroidered shirt, we see the woman's Tang Dynasty, "Xie Yi"; and "The West Chamber" the woman in the Song Dynasty, the Bra, including Guodu, a child with Wai neck, a diamond in the breastplate, offer all kinds of cover from customs, 10,000 kinds of charm. But China is still a conservative nation, after all, until the late Qing Dynasty with foreign yarn and cloth into China, Western bra really deduction on the Chinese women's body type. Roman times: Corset originated in Roman times. In the 16th century, there are iron, corset made of wood, then women can be described as severely. Until the Crusades, with the application development of textile technology, the late 16th century, began to use whale bang, steel, rattan to produce tights. In the 16th century the 1930s, when fashion weapon is garters, tights and panniers, showing Westerners focus on underwear. Understand its function is not only naked warmth, but more was intended to shape the body curve. Underwear is also designed to be very complicated, wearing a underwear, it may take several hours. To the imperial regime period (1804-1825), the corset has become simplified. Barssel period: Barssel period (1870-1890), underwear manufacturers have become more beautiful, lace, silk, chiffon full use, but requires sculpting underwear has gradually fade, because it was found in the zonal wire bra on human respiratory tract harmful. In 1900, Charlotte had health corset. In 1907, more relaxed waist shackles. 1910, in the following location underwear hip line longer than 10-40 cm is appropriate. With the elastic fabric widely used in the clothing, underwear became more and more comfortable and easy to wear. 1940s, became popular strapless bra. The fifties and sixties: --- Advancement of women in the era of the United States. High-heeled shoes, slender strips, flat belly and hips are round was a sign of feminine beauty. Tight underwear and bra shape there, which was the predecessor of today breast augmentation bra. 70 years: --- Female underwear, "Dark Ages." Burning bra, do not gloss over women, all the men in line. Simple and comfortable, practical and became the basic norms of women's underwear. Coveralls underwear "Body" a generation of fashion. 80's: --- Also I era of female beauty. 80s are women from self-liberation period of transition to self-recognition. People pursue self-affirmation, self-worth, society becomes more personalized. Female beauty is that people really accepted, triggered a big increase consumption underwear, underwear designs have been restored and Everbright. More daring design, exposure, make women more beautiful. 90 years: --- "Second skin" s. With underwear constantly updated, people are increasingly seeking new technology products, cotton products have no longer a single people's needs. "Microfibre" (microfiber) of this universally recognized is called a "second skin" fabric, glory in the history of women's underwear. In 1997, DuPont introduced a revolutionary high quality super-elastic fibers Lycrasoft, both close to the body to make underwear, and unfettered, stretch freely. Women really can comfortably shaped body beautiful. Today, the modern sense of underwear not only brought attention to the temptation to bring more attention to their health care, fitness modeling, this is the popular melody.