Three-point swimsuit was originally a kind of women's swimsuit, which appeared in the west in the 1960s. Its social and historical significance lies in the fact that in the Victorian era of the West19th century, any part of a woman's body was exposed, which would be regarded as a dirty motive for seducing men. Therefore, even if women take a bath at the seaside, they must wrap themselves in all their underwear. Only when they are all immersed in the water can they take off their coats and take a bath underwater. In the United States at that time, women could not walk into the sea from the beach in their underwear. She had to be dragged deep enough into the sea by a carriage to get into the water. However, with the vigorous rise of the international feminist movement, women are more and more confident and proud of their bodies, thinking that exposing their bodies does not mean seducing any men at all. It is believed that women's naked body is a way of thinking to seduce men, and the traditional male-centered society deliberately tries to put all the blame of sex on women. So they began to change their swimsuits gradually, and less and less parts were covered. Therefore, the emergence of "three-point" is actually a transitional stage for post-80 s women from covering themselves to "topless movement" and "streaking". Three-point style is fundamentally different from the changes of previous women's styles. Three-point is the product of the change of women's own sexual concept, not driven by men's needs, nor for men to see.