(1) Physical characteristics. The body is white and fat or pale white face, usually afraid of cold and like warmth, the limbs are tired, urine clear and long, the stool is sometimes thin, the lips are light and mouth and, often sweating, the pulse is heavy and weak, the tongue is light and fat. The person is susceptible to cold, can be seen to be afraid of cold, curled up, cold limbs, or abdominal pain, like warmth, like to press; or body and face swelling, urine is not conducive; or lumbar spine cold pain, down the clear valley; or impotence, slippery sperm, uterine cold infertility; or chest and back pain, coughing and palpitations; or frequent night urination, urinary incontinence. (2) Nourishing principles. Dispel Yang method of cold, warming the spleen and kidneys, because Yang deficiency is the key in replenishing Yang. Among the five organs, the kidney is the root of Yang energy, and the spleen is the source of Yang biochemistry, so we should focus on nourishing it. (3) Nourishing methods. Spiritual nourishment: “Yellow Emperor’s Classic of Internal Medicine” says: “Liver Qi deficiency is fear”, meaning that people with poor liver function are prone to fear, and also points out: “Heart Qi deficiency is sad”, which means that people with low heart function are mentally prone to sadness. According to Chinese medicine, Yang deficiency is the further development of Qi deficiency, so Yang deficiency often shows poor emotions, easy to grieve, so we must strengthen the spiritual conditioning, to be good at regulating their emotions, to go to sadness, prevent panic, and joy and anger, and eliminate the influence of bad emotions. Environmental conditioning: this physique is more cold limbs cold, like warmth and fear of cold, resistant to spring and summer, not resistant to autumn and winter, so Yang deficiency physique should be especially heavy environmental conditioning, improve human resistance. Some people point out that if 20-30 times in the summer sunbathing, each 15-20 minutes of ultraviolet light will be able to use a year. For the elderly and infirm, do not sleep outside in the summer, do not let the fan blow directly, and do not stay too long in the shade of trees. Strengthen physical exercise: because “movement is the Yang”, spring, summer, autumn and winter, 1 to 2 times a day, depending on the specific project physical strength. Diet: eat more food with aphrodisiac effect, such as mutton, dog meat, venison, chicken, according to the law of “spring and summer nourish Yang”, three volts in summer, once per volt can eat mutton with roe soup, with the heaven and earth when Yang is strong, in order to strengthen the Yang of the body. Drug treatment: For those who are deficient in heart yang, Gui Zhi plus Pei Zi Tang is recommended; for those who are deficient in spleen yang, Li Zhong Tang is recommended; for those who are deficient in kidney yang, Jin Plaque Kidney Qi Pill is recommended.