Psoriasis has certain seasonal characteristics. Clinically, the majority of psoriasis skin lesions at the beginning, onset or exacerbation, usually concentrated in the late autumn to early spring this 5 ~ 6 months. The onset of psoriasis earlier in the month tends to improve at the beginning of spring, while the onset of winter or early spring or the beginning of psoriasis, often until the beginning of summer or the beginning of the summer season to eliminate. In a word, autumn and winter is the season of psoriasis exacerbation and recurrence.

        Possible explanations for this phenomenon include: on the one hand, the cold reduces metabolism in the body, changes in immune function and blood circulation, which lead to increased skin damage. Secondly, UV has a certain preventive and therapeutic effect on psoriasis, but in cold season, psoriasis patients exposed to less UV, skin damage will be aggravated. On the contrary, summer climate is warm, ultraviolet light is sufficient, psoriasis is lighter in summer. Again, winter clothing should be soft, the body and clothes, clothes and clothes friction between the generation of static electricity, static electricity to stimulate the skin prone to psoriasis. Therefore, psoriasis is prone to relapse and aggravation in winter. In winter, patients with psoriasis had better choose pure cotton, silk and other clothes that are not easy to generate static electricity to do underwear, underwear, shirts, etc. Winter bath taboo too often; Avoid too hot water; Don't rub too much; Avoid soap alkalinity is too strong, otherwise, destroy skin surface layer very easily originally not much sebum, let the skin more dry, more itchy, chap. The number of baths should be 1 ~ 2 times a week. After bath can be rubbed some licorice oil, anti-itch cream, moisturizer, etc., to keep the skin moist, prevent the surface of the skin dry, fall off.