The Soviet Union is a multi-ethnic country, and colorful folk dances are closely related to the personalities, living customs, environmental conditions and musical and cultural traditions of all ethnic groups. From the content, there are dances reflecting labor, fighting and love, and dances celebrating festivals and weddings. From the style, there are lyrical, cheerful, competitive, heroic, melancholy, humorous and so on. From the perspective of national cultural relations, Soviet folk dances can be roughly divided into the following categories: Slavic dances, Central Asian dances, Caucasian dances and Baltic coastal dances. In addition, many ethnic minorities also have their own unique dance forms.