Chinese medicine believes that eczema is caused by endowment intolerance, lack of spleen health, dampness and heat, or external exposure to wind evil, internal and external evil fight, wind-damp-heat blocked in the skin. In the acute stage, damp-heat is the main cause; in the subacute stage, spleen deficiency and dampness are the main cause; in the chronic stage, blood deficiency and wind dryness are the main cause. The disease can be identified from the disease, the color of the lesions, the systemic symptoms and the tongue and pulse, and the treatment is divided into 3 types. 1, damp-heat infiltration evidence The onset of the disease is urgent, the lesions are flushed and burning, itching, oozing juice, accompanied by body heat, disturbed thirst, dry stool, short red urine, red tongue, thin white or yellow moss, and smooth or numbered pulse. The treatment is to clear heat and relieve dampness; the formula is based on Gentian-Diarrhea Liver Soup with addition and subtraction. The medicine is: 6g each of gentian grass and licorice, 9g each of gardenia, scutellaria and bupleurum, 30g of raw earth, 10g each of mouton, carthamus, zedoary and angelica; 10g of yellow cypress and 15g of dioscorea for heavy dampness; 15g of white foxglove and 30g of raw gypsum for heat; 15g each of white fresh peel and groundnut for intense itching; 10g of tribulus terrestris; 6g of raw rhubarb for dry stool. 2. The onset of spleen deficiency and dampness is slow. The lesions are dark red and itchy, with less exudation of vesicles and visible scales. It is accompanied by poor appetite, fatigue, abdominal distension and loose stools. The tongue is light and fat, with white or greasy coating and slow pulse. The treatment is to strengthen the spleen and relieve dampness; the formula is based on addition and subtraction of De-Dampness and Stomach Ling Tang. Medicine: Atractylodes Macrocephalae, Thick Park, Pericarpium Citri Reticulatae, Poria, Zeligia, Poria, Atractylodes Macrocephalae, Slippery Rock, Fengfeng, Gardenia, Mouton each 10g, Cinnamon, Glycyrrhiza each 6g. If the dampness is in the lower jiao, add Phellodendron, Chuanxiu Knee each 10g; if the itching is very itchy, add Ouzhu Snake, Tribulus Terrestris each 10g; if the skin loss is dark for a long time, add Salvia 20g, Angelica 10g. 3, blood deficiency and wind dryness evidence Longer duration of the disease, the skin loss is dark or pigmented Itchy and itchy. With dry mouth, dry skin, poor appetite and abdominal distension. Pale tongue, white fur, thin and stringent pulse. Treatment is to nourish the blood and moisten the skin, dispel wind and relieve itching; formula with Angelica Sinensis Drink plus reduction. The medicine includes: Angelica sinensis, White peony, Chuanxiong rhizome, Tribulus terrestris, Fenfeng, Thornbush 10g each, Salvia miltiorrhizae, Gastrodiae, Astragalus, Ocimum sanctum 15g each, Radix Rehmanniae 30g, He Shou Wu, Roasted licorice 6g each. 30g each of mother-of-pearl and raw oyster; 10g each of nightshade vine and sour date; 15g of Che Qian Zi and 20g of Ze Xie. In addition to the treatment according to the classification of symptoms, the treatment can also be combined with For example, if the disease occurs in the upper part of the body (head and face), we can add herbs for clearing the heat of Yangming meridian; if the disease occurs in the breast and vulva, we can add herbs for clearing the damp-heat of liver and gallbladder; if the disease occurs in the lower limbs, we can add herbs for promoting dampness and activating blood circulation. In combination with infection, we can add Huang Lian, Zihua Di Ding, Wild Chrysanthemum and Da Qing Ye to clear heat and detoxify toxins. In the acute stage, try not to use worm medicines. The external treatment of eczema should also pay attention to the characteristics of the disease “dampness as the origin, the origin of dampness, and then from heat”, the identification of the application of external drugs. For acute eczema red swollen vesicles exuding lesions, often use Chinese medicine cold wet compresses, choose Amaranthus, gentian grass, cypress and other decoction wet compresses; if there is secondary infection, plus Zingiber officinale, wild chrysanthemum, dandelion, etc.. In the acute stage without erosion and exudation, you can choose to use the three yellow lotion for external application. For subacute lesions, Huanglian paste and licorice oil can be used externally, or Qingdian sesame oil can be applied externally. For chronic lesions with obvious hypertrophy of keratinization, Qing Dai cream, moisten muscle cream, black bean distillation oil ointment can be used externally.