The treatment of common psoriasis with traditional Chinese medicine has little toxic side effects and exact efficacy, and the long-term efficacy is more ideal than that of western medicine, which can obviously reduce the recurrence rate and, through overall regulation, can regulate the patient’s physique, so that it is not only effective for psoriasis, but also sometimes can receive unexpected efficacy for other diseases. Based on our clinical experience, we summarize the following common clinical evidence types, according to which we can identify the evidence and flexibly combine western medicine, and achieve satisfactory results. Now we will briefly introduce to you the Chinese medicine evidence-based treatment of this disease: 1, blood heat embedded in the evidence The main symptoms: the rash is mostly in the form of drops, rapid development, bright red color, layers of silver flakes, itching intense, scratching point-like bleeding; accompanied by dry mouth and tongue, sore throat, irritable, dry stool, urine yellow red; red tongue, thin yellow coating, smooth or number of pulse. Treatment: Clearing heat and cooling blood, detoxifying and eliminating blemishes. Remedy: Rhinoceros horn and Dihuang Tang plus or minus (Rhinoceros horn is replaced by water hyacinth). 2.Blood deficiency and wind dryness. Main symptoms: long duration of disease, rash is mostly patchy, light red in color, scales are reduced, dry and cracked, itching; accompanied by dryness of the mouth and throat; light red tongue, little coating, sunken and thin pulse. Treatment: Nourish blood, nourish yin, moisten skin and quench wind. Remedy: Radix Angelicae Sinensis Drink plus or minus. 3.Stagnation of Qi and Blood. Main symptoms: skin lesions repeatedly do not heal, rash is mostly plaque-like, with thick scales and dark red color; tongue is purple with petechiae and petechiae, pulse is astringent or slow. Treatment: Invigorate blood circulation, resolve blood stasis, detoxify and promote circulation. Remedy: Peach and Red Four Animals Tang plus or minus. Main symptoms: long duration of the disease, with onset or aggravation of lesions in autumn and winter, with lesions reduced after hot water baths, and aggravated by cold or flu. Tongue red, coating yellow or white, pulse without deficiency. Treatment: Pungent, warm, dispersing cold, clearing heat and cooling the blood. Remedy: Rhizoma Dihuang Tang with Ephedra, Thornbush and Fanfeng. 5.Yang deficiency and cold outside. Main symptoms: the agent of clearing heat and cooling blood is not effective for a long time, but causes gastrointestinal discomfort, and in winter the lesions are aggravated, loose stools, fear of cold, easy to catch a cold, light red or dark red skin lesions, pale white and fat tongue, weak pulse. Treatment: Warming Yang and dispersing cold. Remedy: Ephedra with seeds and pungent herbs with added flavor. 6, liver meridian heat Main symptoms: typical erythema scales, typical red tongue with yellow coating, but repeatedly used to clear heat and cool blood, remove dampness and detoxify for more than a month or several months, but completely ineffective. The body is strong and the sleep is as usual. Only the heart is eager to seek treatment, the heart is irritable, and the pulse is sunken and stringing or stringing. Treatment: Dredge the liver to relieve depression, clear heat and cool the blood. Radix: Danjuania Easy-going San plus or minus. These 6 types of symptoms are common in clinical practice, but there may be other types of symptoms, please consult your physician for details.