The floorboard of many different kinds of dances based on different street cultures or musical styles. Actions are composed of various walks, runs and jumps, including joints such as head, neck, shoulders, upper limbs and trunk, such as flexion and extension, rotation, circle, sparkling, wave-like twisting, etc. Each movement has its own specific fitness effect, which not only pays attention to the coordination between upper and lower limbs, abdomen and back, head and trunk, but also pays attention to the independent movement of each part. 1992 at the beginning, there was a kind of "in-situ hip-hop", without those big moves and footwork movements, not to mention the ground movements similar to gymnastics in break dancing. Its unique style lies in paying attention to the coordination of the body, attaching importance to the rhythm of the upper body, and adding a lot of head and hand movements. We can see this new dance style in Michael Jackson, Maria Kelly and Backstreet Boys's MTV. It was introduced to China in 1980s, and gradually spread as a fitness active communication.