Square dance is the largest system in the dance art. It is named because it is mostly gathered in the square. It integrates self-entertainment and performance, with group dance as the main form of performance and fitness as the main purpose. Including the Jiamusi dance step, the dam dance, the sailors dance, etc. Square dance is a rhythmic dance performed spontaneously by residents in open spaces such as squares and courtyards for the purpose of fitness, usually accompanied by music with high decibel and strong sense of rhythm. Square dance is organized by the masses in public places. The participants are mostly middle-aged and elderly people, and most of them 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 form of square dance is also different. Square dance is a fitness dance that people generally participate in. The dance elements are diverse, including folk dance, modern dance, street dance, Latin dance, and so on. On November 13, 2017, according to the website of the General Administration of Sport of the People's Republic of China, the General Administration of Sport of the People's Republic of China issued the Notice on Further Standardizing Square Dance Fitness Activities. On April 6, 2022, the China Association of Cultural Museums issued a notice of soliciting contributions to start the editing of the "Report on the Development of Square Dance Culture (2022)", and planned to officially publish and distribute it within the year. This is the second "blue book" on the development of square dance culture published after the "Report on the Development of Square Dance Culture (2017)".