According to the fashion of the Tang Dynasty dress, the paper discusses the functions of society education of dress, points out the functions of dress language in dignity, morals education, behaviour standard, society management, society history and life reality and so on, expounds the positive affects of dress culture on society development.

This article analyses the clothes in the Tang Dynasty in respect of the background of the time, the pattern, the color, the material of the clothes of the time and concludes that sexuality is the aesthetic standard of the clothes of the time.