The main exercise purpose of aerobics is "fitness", so the movements are relatively simple, the music speed is slow, and the physical quality of the practitioners is not high, which is suitable for most people to practice. Coupled with the characteristics of diverse movements, strong sense of rhythm and comprehensive influence on the body, aerobics is loved by more and more people and has a very broad mass base. At present, in foreign countries, with the rapid development of aerobics and the continuous diversification of people's needs, many new forms of aerobics practice have emerged, such as: stepping exercise to increase the amount of exercise without increasing the burden on lower limb joints; Water aerobics suitable for the elderly and practitioners in the recovery period of injury; Young people's favorite fighting aerobics; What women are interested in is yoga calisthenics that can adjust their body balance and improve their posture, as well as many calisthenics with different characteristics and suitable for different objects.

The emergence of these different forms of aerobics increases the diversity of aerobics, so that people with different needs can find suitable ones.

Own aerobics practice form, so as to attract more people to participate in aerobics and promote the further development of aerobics.

Competitive aerobics is developed on the basis of fitness aerobics, which is the inevitable product of the development of fitness aerobics to a certain stage, thus making aerobics a real sport.

The main purpose of competitive aerobics is "competition". During the competition, athletes have to complete many difficult technical moves with music in 1 min 45(+5) seconds, so there is a high demand for athletes' overall physical quality and technical level. It can be seen that competitive aerobics is a combination of aerobic and anaerobic exercise, which is not suitable for us ordinary people as a means of exercise.