We define the beauty of human body as physical beauty, which can be divided into physical beauty and physical beauty. Formal beauty is a static beauty. Physical beauty is the beauty of human behavior, that is, the physical beauty formed by various parts of the human body in space activities, and it is a dynamic beauty.

After long-term aesthetic practice, people's aesthetic level of physical beauty and appearance beauty has reached a higher level, and some knowledge has been formed. However, due to the differences of time, region, race, gender and age, their aesthetic standards may be different, and there is no absolute aesthetic standard so far.