1, maintain an optimistic mood Some people have statistics that more than 75% of psoriasis patients are accompanied by impatience, agitation, irritability and bad mood. Many patients develop or aggravate because of mental stimulation, and some patients heal themselves because of their cheerful mood. Therefore, to establish confidence in overcoming the disease and to maintain a calm and peaceful state of mind is a remedy to prevent the recurrence of psoriasis. 2, avoid mental tension Work, study pressure, mental tension, lack of sleep, low immunity is easy to relapse, therefore, pay attention to the combination of work and rest, avoid mental tension is also necessary. 3, develop a good diet Do not drink alcohol, do not smoke, do not eat spicy and stimulating food and fishy products such as mutton and seafood. 4, prevention and control of upper respiratory tract infection literature reports, 6% of patients have a history of upper respiratory tract infection, and the proportion of pediatric psoriasis with upper respiratory tract infection or acute tonsillitis is 10%-20%, is generally believed to be the occurrence of psoriasis due to the metamorphic reaction to bacterial toxins and viruses. Therefore, psoriasis patients usually pay attention to life and living, strengthen physical exercise, improve the body’s resistance, prevent colds, once the cold should be actively treated. 5.Clear lesions Actively treat infected wounds and inflammation, especially septic enlargement of tonsils. Removing the tonsils that are often inflamed can facilitate the treatment and prevention of psoriasis. 6.Every time before the good season, taking appropriate cooling blood and eliminating spots and moisturizing herbs can effectively avoid or reduce the recurrence of psoriasis. 7.Patients with onset of psoriasis in cold season should often take sunbathing.