People's constitutions are different, and the methods of keeping in good health are also different. According to the theory of yin-yang and five elements, TCM classifies people's physique into several types according to their fatness, body shape, skin color, posture, speech, manners and adaptability to the outside world, among which the most common types are yin deficiency, yang deficiency, qi stagnation and blood stasis, phlegm-dampness and deficiency of both qi and blood. These people can get twice the result with half the effort if they can keep in good health according to their physical types. Yin deficiency type: manifested as emaciation, flushing on cheeks, dry mouth, constipation in urine and Huang Chi, vexation and lack of sleep. These people should strengthen their own maintenance, develop a calm and calm personality, and should not participate in fierce social activities and competitions. They should practice Qigong, Tai Ji Chuan, fishing and so on. Adjust their spirits, so as to enhance their physique. Yang deficiency type: white and fat body, aversion to heat and cold, weakness of limbs, loose stool, fear of kindness and sadness, and bad mood. These people should be good at adjusting their emotions, listening to music, making more friends and participating in social activities. Walking, jogging, playing table tennis and swimming are the most suitable sports activities for these people. Qi stagnation and blood stasis type: manifested as dull complexion, black lips and eyes, blue tongue, dry skin and dry nails. Such people should pay attention to the rules of life, work and rest on time, be optimistic and open-minded, jump rope, kick shuttlecock, jump around, twist the waist and turn around, and massage all over the body, which is conducive to activating all parts of the body, helping the circulation of qi and blood, relieving qi stagnation and blood stasis, thus enhancing physical fitness and regulating spirit. Phlegm-dampness type: manifested as body puffiness, muscle relaxation and limb weakness. These people should give up smoking and drinking and eat soft food that is easy to digest. In order to enhance physical fitness, we should choose dumbbells, tensioners, throwing, jumping, jogging and other sports to exercise, supplemented by walnuts, jujube, animal liver and other tonics to avoid cold and dampness, so as not to get sick. Deficiency of both qi and blood: pale face, palpitation, shortness of breath, dizziness, numbness of hands and feet, sweating easily. These people should strengthen nutrition, eat more foods with high protein and vitamins, and also eat foods containing ginseng, such as ginseng candy and ginseng biscuits. American ginseng can be eaten all year round, without dryness or fire. Due to physical weakness, it is easy to get tired, so we should have a proper rest to prevent excessive fatigue. If you can do radio exercises every morning, play Tai Ji Chuan, take a walk, jog for a while, and massage your limbs and chest and abdomen, it will be of great help to adjust your qi and blood and strengthen your physique, which can't be ignored in health preservation.