Square dance is the largest system in dance art, named after gathering in the square, which integrates self-entertainment and performance, with group dance as the main performance form and entertainment as the main purpose. Square dance is spontaneously organized by the masses in public places. Most of the participants are middle-aged and elderly people, most of whom are women. Square dance is a dance created by the people and exclusive to the people. Because of different nationalities, regions and groups, the dance forms of square dance are also different. Square dance is popular in recent years, so it is also called modern dance, which is a fitness dance for modern urbanites. Generally, many square dances are arranged in combination with modern popular factors, so they are closely related to modern life.