Psoriasis, in addition to choosing a regular medical institution for treatment, it is crucial to prevent recurrence. Nei Jing said: spring March this is called hair Chen. Everything is born and grows, pushing out the old and the new. At the same time is also the high incidence of psoriasis, so the prevention of relapse should be emphasized. Spring at first warm and cold, windy and dry, we live in this region, most people can feel their skin has tight, dry or even peeling itchy. For people who suffer from psoriasis, it is even worse. Some studies have shown that more than 40% of psoriasis patients before the onset of labor, mental tension; some patients and have upper respiratory tract infections; most have food and contacts related. Prevention of psoriasis begins with care. Psoriasis care requirements are more, first of all, to maintain optimism, regular work and rest, work and rest, and actively prevent upper respiratory tract infections. At the same time, the diet to eat more warm and bland dry food, eat less spicy stimulating food, avoid bad habits, such as drinking a lot of alcohol and smoking, etc., in the bath, avoid washing hot or rubbing, and pay attention to the skin heat preservation, moisturizing, and choose pure cotton intimate apparel. Some data show that a positive state of mind is very important in the process of psoriasis treatment. Psoriasis patients who maintain an optimistic mindset have a significantly better prognosis than those who are pessimistic.