Square dance is the greatest dance art. There are more than 50 ethnic groups in China. Among the Han people, there are thousands of square dances in Qian Qian. Every nation has its own unique form of square dance, which has spread to almost every corner of the motherland. Take Shanxi as an example, every county has its own square dance, and every village has square dance activities. Therefore, square dance is a very important art form in China and even in the world. Square dance is a good exercise for fitness and entertainment. As an art of people's square constructed by music and dance, square dance has been recognized and loved by dance fitness enthusiasts of all ages for its concise expression, good interactive atmosphere and efficient fitness effect. Square dance is a form of performance, not a kind of dance, but folk dance accounts for a large proportion in square dance. Of course, square dance has its own performance form and structural characteristics. In today's square dance, various types of dances are used in various forms. Everyone who participates in the square dance, whether professional or amateur, can enjoy the spirit quickly and fully, keep fit and show themselves in the enjoyment of music and dance.