Middle-aged and elderly people exercise with fitness equipment, with the purpose of maintaining physical strength, enhancing immune function, preventing and treating diseases, delaying aging, preserving health and prolonging life. There are several instruments to choose from: (1) Exercise bike: Exercise the muscles of the lower body in the form of a bicycle, which occupies the smallest area and is suitable for middle-aged and elderly people. (2) rowing machine: it mainly exercises the strength of arms, back and waist, and the elderly should do what they can. (3) Multifunctional stepper: It has the functions of running, waist twisting, foot massage, weight lifting, etc. And the amount of exercise is large, and the elderly should do what they can. The various functions of the elderly are declining, so it is best to choose simple and practical fitness equipment, which has low exercise intensity and uncomplicated movements. Such as fitness balls, dumbbells, etc. It can dredge meridians, regulate qi and promote blood circulation, exercise the functions of hands and upper limbs, and regulate the blood circulation of upper limbs, which is most suitable for long-term exercise for the elderly.