"Tangdou Square Dance Class" is a sports and fitness program produced by Tangdou.com, and it is the first video course of square dance teaching on the Internet in China. The program is divided into positive demonstration teaching, back demonstration teaching, slow password teaching, important and difficult tips, dance tips and other sections. Learn three popular square dance tracks every week, and each track is divided into upper and lower episodes. It aims to popularize square dance and promote national fitness. Since its launch on June 8th, 20 12, it has been deeply loved by dancers all over the country, with a cumulative broadcast volume of one million times in just one month.