Exercise helps to relieve the symptoms of Parkinson's disease, improve exercise ability and prevent cognitive decline. Common forms of exercise include aerobic exercise, strength training and flexibility exercise. Aerobic exercise is mainly to improve and improve the aerobic activity ability of human body. This kind of exercise includes walking, jogging, cycling and aerobic exercise. Strength training is a kind of exercise with the main content of strengthening strength and bodybuilding, such as using dumbbells, elastic belt and other load-bearing methods or impedance methods. Flexibility exercises mainly stretch muscles and ligaments, supplemented by exercises to adjust breathing rhythm, such as yoga, Tai Chi and aerobics. This form of movement takes stretching and balance as the main content.