Psoriasis, commonly known as psoriasis, is a chronic inflammatory skin disease with a long course and a tendency to recur, in some cases almost for life. The disease develops mainly in young adults and has a significant impact on the physical health and mental status of patients. The clinical manifestations are mainly erythema and scaling, which can develop all over the body, with the scalp and extremities more common, mostly aggravated in winter. How to prevent psoriasis? 1, the onset or recurrence of psoriasis is often related to neurological and mental factors, to lift concerns, establish confidence in overcoming the disease, optimism and cheerfulness, timely elimination of mood swings caused by unpleasant events in life, avoid excessive emotional tension and anxiety. 2, enhance physical fitness, appropriate exercise, it has been clear that bacterial infections can promote psoriasis, to prevent colds and prevent tonsillitis. 3, daily life should try to avoid all kinds of physical and chemical injuries. Patients should receive regular treatment, do not abuse drugs, and try not to use drugs that may aggravate psoriasis. Do not use strong stimulating drugs in the acute stage. Treatment should be thorough. For patients with short duration of disease, efforts should be made to make the skin lesions completely subside. For patients with stubborn disease, the doctor and the patient should work together to keep the disease under control at the gentlest level. When the lesions recede should not immediately stop treatment, should continue to consolidate treatment for a period of time, in case there is a little new lesions should be treated immediately to prevent aggravation of the lesions. 4, patients should not drink alcohol, including all kinds of alcohol, even a small amount of beer, sometimes can bring some trouble, especially when reunited with friends and family, please do not forget. 5, those patients with more obvious seasonal seizures, such as the common winter type, can be treated prophylactically under the guidance of a doctor before the onset of winter. 6.The present view is that the occurrence and development of psoriasis are closely related to the body’s immune function. If conditions are available, you can usually take some Chinese herbs, immunity-boosting drugs or health food.