The two-word square dance includes: electric shock, flame, mistake, light, swan goose, falling flower, love, treading waves, heavenly road, full moon, dancer and blooming. 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 fitness as the main purpose. Square dance is a rhythmic dance that residents spontaneously perform in squares, dams and other open spaces for the purpose of fitness, usually accompanied by high-decibel and rhythmic music. 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 aunts. Square dance is a dance created by non-professional dancers and belongs to the general public. Because of different nationalities, regions and groups, the dance forms of square dance are also different. Square dance is a popular fitness dance with various dance elements.