Its characteristics are as follows: ① The continuous shaking of the knee or the shaking of the moment before changing the action makes the action soft and natural. ② Fast rotation speed, rich colors and abrupt. The rotation of various dance forms has its own characteristics, and competitive rotation is usually carried out at the climax of the dance. ③ syncopation and symbolic rhythm are used in music accompaniment, and weak beats are often given artistic treatment to highlight the charm and national color of dance.