At present, psoriasis patients’ knowledge of psoriasis is not satisfactory, and the survey of the Institute of Dermatology of the Chinese Academy of Medical Sciences shows that: among 320 cases of psoriasis patients, 58.6% do not know about psoriasis; 8.6% consult doctors about the knowledge; 89% do not read the scientific knowledge of psoriasis; 24% believe that it can be cured; 72.6% believe in various advertisements; 65.7% have received individual Those who had received treatment from individual doctors accounted for 65.7%. The lack of knowledge about psoriasis and the blind pursuit of a cure have led many patients and their families to believe in some advertisements and seek medical advice, to misuse and abuse drugs and aggravate the disease, and even to cause serious consequences. Psoriasis is commonly known as psoriasis, and its triggers or aggravating factors include infection, cold, exertion, mental factors, trauma, dry skin and drugs. According to the clinical characteristics of psoriasis, it can be divided into the common type, arthritic type, pustular type and erythrodermic type. The incidence rate in Europe and the United States is 1%-3%, and the current estimate in China is 0.5%. The purpose of psoriasis treatment is to control the disease, slow down the development process to the whole body, reduce symptoms, stabilize the disease, avoid relapse, avoid side effects as far as possible and improve the quality of life of patients. Patients with psoriasis should pay attention in life and treatment: 1. The disease is not contagious and is not incurable. 2, do not believe in any advertisement especially mail-order drugs, whose efficacy is short-lived and the consequences may aggravate the disease in mild cases and endanger lives in serious cases. 3, careful search for individual factors that aggravate the disease. For example, food, some patients aggravated after eating dog or mutton, some aggravated after eating fish, shrimp and other aquatic products, some aggravated after drinking alcohol, personal experience is very important, try to avoid individual factors that may aggravate the disease. However, do not be too much “taboo”. 4, under the guidance of a physician to adhere to the treatment of the skin, such as narrow-wave ultraviolet radiation and topical drugs, rubbing should be massaged several times to help the absorption of drugs. 5, do not scratch when itching; intimate clothing should choose soft, cotton texture. 6, more baths, after the bath use moisturizers with skin barrier protection. 7, such as infectious lesions such as recurrent tonsillitis, tooth and gum or alveolar infection timely consultation with dermatologists. 8, pay attention to keep warm, regular life, avoid strain. Several studies have reported that smoking can aggravate psoriasis.