Yang deficiency physical characteristics: fear of cold on weekdays, lack of warmth in the hands and feet, light color of the mouth and lips, easy loss of hair, mental weakness, easy sweating, sleepy and sleepy, fatigue, preference for hot food, loose stools, clear and long urine. Physical characteristics: muscles are flabby and insubstantial. Psychological characteristics: character is quiet and introverted. Susceptibility to disease: this physique is prone to cold evidence, susceptible to dampness, susceptible to phlegm, swelling, diarrhea and other diseases. Adaptability to the external environment: resistant to summer but not winter; susceptible to wind, cold, dampness. Daily regimen: sleep late and wake up early in spring and summer, sleep early and wake up late in autumn and winter, and exercise without sweating is appropriate. Diet: eat moderate amounts of warm food, such as onion and ginger, pepper, Chinese herbs, fennel, leek, durian, lychee, papaya, cinnamon, peach and other warm food, pay attention to the cool food with white radish, winter melon, etc. . Food therapy: ginger brown sugar water often drink, ginger, pepper water soak feet for half an hour. Recommended meals: angelica ginger soup leek fried walnuts . Contraindicated: good and bad, too much cold cold food such as ice cream, ice drinks, pears, watermelon, bitter melon, cover vegetables, cucumbers, etc.. Bitter and cold medicines (Niuhuang, Huanglian and other medicines). Usually, you can often press and rub or moxibustion the foot three li and guan yuan points. You can take Rizhong Pill, Guihundihuang Pill, etc. as appropriate.