Aerobic exercise refers to the physical exercise carried out by the human body under the condition of adequate oxygen supply. That is to say, in the process of exercise, the oxygen inhaled by the human body is equal to the demand, achieving physiological balance. Simply put, it refers to any rhythmic exercise with a long time (about 15 minutes or more) and moderate or above intensity (75% to 85% of the maximum heart rate). It is characterized by low intensity, fast rhythm and long duration. It is required that the exercise time should not be less than 1 hour, and it should be carried out 3 to 5 times a week. This kind of exercise, oxygen can fully ferment the sugar in the body, consume the fat in the body, enhance and improve the cardiopulmonary function, prevent osteoporosis, and adjust the psychological and mental state, which is the main exercise mode of fitness.

Common aerobic exercises include: walking, brisk walking, jogging, skating, swimming, cycling, playing Tai Ji Chuan, doing fitness dance, skipping rope/doing rhythmic exercises and so on. Aerobic exercise is characterized by low intensity, rhythm, uninterrupted continuity and long time.