Rhythmic gymnastics is called the king of dance. Rhythmic gymnastics is a sport performed by hand or with various instruments, and it is also an art project, which originated in Europe at the end of 19 and the beginning of the 20th century. Rhythmic gymnastics is known as the king of dance for many reasons, the most important of which is that it requires high venues and space, and requires certain skills and artistic level. In addition, rhythmic gymnastics also requires practitioners to have high physical fitness and coordination ability, as well as strong expressive force and self-confidence. Therefore, rhythmic gymnastics is a very challenging and difficult sport.