Traditional Mongolian folk song and dance. It originated in Kulun Banner, Horqin Grassland, Inner Mongolia. It has been passed down for more than 200 years, and is the evolution and development of the ancient forms of collective dance, such as treading song and foot stomping, dancing with arms, and dancing around trees. In the past, An Dai was held to invite "shaman" sorcerer to drive away ghosts and cure diseases, and now it has become the favorite self-indulgent dance of Mongolian people. Andai performance form, dozens of hundreds of people in the yard, in a large circle, the circle by the two song and dance dancers to the song and dance, the crowd echoed foot stamping, flap lapel dancing and singing, the formation of a warm, joyful scene. After the liberation of the majority of dance workers through the collection, collation, adaptation, innovation, so that the development of the ancient Andean for the reflection of life, the expression of the times of the new art form. There are two forms: self-indulgent collective dance in the square, and performances on the stage.