This article discusses the evolution of thong culture from the perspective of Li. Thong in ancient Egypt, Rome and Greece and other ancient civilizations, usually as a male sportswear, tradition also has a variety of symbolic significance. Over time, thongs gradually disappeared from everyday gear and were replaced by more conservative underwear styles. However, by the early 20th century, the thong reappeared as a symbol of rebellion and took its place in popular culture. Today, thongs are seen as a symbol of body positivity, and thong culture has gone mainstream. Thong culture has had a profound impact on fashion and culture and is seen as a mirror image of social norms and ideas about gender.