It is one of the manifestations of the holistic view of Chinese medicine, which means that the treatment of diseases should be based on the seasons, regions and the physical constitution, gender and age of the human body, etc., i.e. the treatment of diseases should be based on the person, place and time. A person to person system refers to the treatment of disease can not be isolated to see the evidence, must see the whole person and the characteristics of different people, according to the patient’s gender, age, physique, habits, physiological and pathological characteristics of the different people to make appropriate adjustments to the treatment of medicine. How a certain, male, 75 years old, because of eating unclean food diarrhea for 7 days, more than 10 times a day, by the Zhongshan medical static drip, taking Huang Lian Su, oxytetracycline, etc. are not effective, the patient symptoms see pale face, fear of cold, poor sleep, light fat tongue coating white pulse string thin count. The patient was diagnosed as having a deficiency of spleen and Yang with stagnation of Qi and dampness, and was cured with Xiao Chai Hu Tang plus Chuan Lian, Bai Tou Weng, Bao Bi Ying, Da Belly Bark, Fire Charcoal Mother, Chuan Pu, Qing Pi, Dry Ginger and Huo Xiang in 2 doses. The patient was 75 years old and had a deficiency of the spleen, so the use of bitter cold products such as Huangliansu and hyoscine to treat the symptoms hurt his yang and ignored his overall condition, so the medicine was certainly ineffective, but the use of Xiao Chai Hu Tang to nourish stomach qi and dry ginger to help yang adjusted the patient’s functional state and the medicine stopped when the diarrhea arrived. For the elderly and deficient people with colds, do not just relieve the symptoms, but more treatment to benefit the qi to relieve the symptoms, the clinical use of Xiao Chai Hu Tang plus relieving the symptoms of the medicine, the effect is very good; and for the “liver is often surplus, spleen is often deficient” of children with colds, in the relief of the symptoms of more to add the spleen to eliminate stagnation and extinguish the wind of the medicine, such as Shen Qu, Bu Jie Ye, hooked vine, stiff silkworm, Di Long, etc.; and as for the uterus The more the patient is in the hospital, the worse the quality of semen will be. The more you make up for it, the worse the quality of semen will be; in patients with tubal infertility, if you just clear the heat and eliminate the inflammation, the patient’s results are often poor, while eliminating the evil, taking into account the whole, proper support, the treatment is better. In terms of dietary therapy, it is also appropriate for people with yin deficiency and fire. It is advisable for people with yin deficiency and fire to eat foods that nourish yin and lower fire, such as water duck, water fish and free meat, and avoid cattle, sheep, dogs, geese and chickens, because cattle, sheep, dogs, geese and chickens are warm and hot products, which are like adding fuel to fire for people with yin deficiency and fire. For the deficient cold evidence of yang deficiency and yin, the dog can be stewed with the system of sapodilla; for the fat people with more phlegm and dampness, it is appropriate to eat more food that lightens the phlegm; for the thin people with more yin deficiency and less blood and fluid, it is appropriate to eat more food that nourishes yin and produces fluid. Guangzhou Liwan District Chinese Hospital infertility department Yang Hongwei two according to the location, the appropriate means according to the geographical characteristics of different regions to consider the principles of treatment with medicine, such as the northern wind-cold cold patients, the amount of pungent warmth to relieve the surface of the medicine is heavy, commonly used hemp Gui;, the southern wind-cold cold patients with pungent warmth to relieve the surface of the medicine is lighter, more Jing Fang, and more to add the dampness of the medicine, such as Mian Chen, Coix seeds, cardamom seeds, etc., the use of medicine to lightly promote the dispersal. In terms of food therapy, the southern climate is hot and dampness is heavy, you can eat more coix seeds, lentils and other foods; the north is colder, you can eat more lamb, pepper and other foods. In the spring and summer, the external wind and cold, should not be too warm and dispersing drugs; autumn and winter, should not be too cold drugs, adding more nourishing and moistening products, such as prunus, maitake, sage, etc.; summer heat and moisture, so the treatment of summer days should pay attention to relieving summer heat and dampness. In terms of food therapy, it is advisable to eat more mung beans in summer to clear heat and relieve summer heat, and to eat more lychee meat, longan meat and other warm and tonic foods in winter. In short, the principle of the three causes of treatment fully reflects the holistic concept of Chinese medicine and the personalization of clinical treatment, which can often achieve better clinical results if it is well adapted to the time, place and person.