Compared with Europe, Americans who give a strong impression of freedom prefer loose and comfortable underwear to tight underwear that binds the body like a corset. The underwear industry in the United States is also developed around this loose underwear. Bikini is a typical American underwear. However, the consequences of this loose underwear belt are abdominal relaxation caused by the increase of subcutaneous fat, thick waist and the collapse of the body curve of green pepper-shaped buttocks. /kloc-In the middle of the 9th century, Mrs. Bluma, who was born in new york, USA, thought about the improvement of women's status and women's clothing, and advocated liberating women from long skirts and stiff waists. As can be seen from modern women's clothing, she wrote an important page in the history of clothing development. American women put on clothes and underwear that are convenient for labor, but in the19th century, women began to hate the weak women demanded by men, and the energy contained in this disgust eventually led to the abolition of corsets.