Proper exercise can strengthen the body. Functional activities of limbs. The movement of tissues including joints and tendons is dominated by liver and kidney, so there is a saying that liver and kidney are homologous. People who are good at keeping in good health pay more attention to physical exercise in winter, so as to achieve the effects of nourishing tendons and bones, relaxing tendons and activating collaterals, dredging blood vessels and enhancing their own resistance. Exercise in moderation. Walking, jogging, fitness and playing Tai Ji Chuan are all good ways to exercise. As long as you persevere, you will certainly achieve the goal of strengthening the kidney and strengthening the body.