Psoriasis is a stubborn skin disease with complex pathology. According to domestic statistics, psoriasis has obvious seasonal characteristics, with psoriasis beginning to develop more in the spring, followed by summer, winter, and autumn. While the season of aggravation of skin lesions is more in winter, spring is the second, autumn is located in the third, and summer is less. Why does psoriasis have such characteristics? Psoriasis has a strong relationship with the seasons. The general rule is that the onset, aggravation, recurrence, and recurrence of psoriasis are more frequent in winter, and the treatment of skin lesions is faster, shorter, and more effective in summer when the climate warms up. The patient’s mental burden is aggravated by the fact that psoriasis is easily recurring and the patient has been treated with a variety of medications internally and externally for a long time, making the onset of the disease a change for some patients. Therefore, in the process of treating psoriasis, it is important to take into account the relationship between the disease and the seasons, and the seasons and the effectiveness of treatment. Spring and autumn, the seasons when psoriasis is prone to recurrence. These two seasons have suitable temperatures, but both have a characteristic that they are prone to dryness. The intensification of politics can easily also take away the moisture in the body, making the skin dry and dehydrated. In addition, in spring, when everything is reviving, it is easy to have pollen allergy, and in autumn, when everything is dying, falling leaves, etc. may also bring discomfort to the nose, all of which can induce psoriasis. Spring and autumn are in the alternation of hot and cold, it is easy to have colds and so on, lowering the immunity of the body and exposing the body to the danger of other diseases. As a result, psoriasis tends to arise and recur in spring and autumn. Autumn, which is the favorite season for psoriasis patients. Psoriasis experts tell us that at this time, the sun is strong and can effectively reduce the production of skin lesions. Coupled with increased sweating, the skin is moisturized and psoriasis does not become too widespread. Winter, this is the most annoying season for psoriasis patients. The dry climate and cold air can easily make the patient’s skin dehydrated, scaly and bring itching. After knowing the pattern of psoriasis attacks in different seasons, patients can make more use of this pattern for prevention and treatment. In autumn, it is very beneficial to treat psoriasis when it is at its mildest. The focus of psoriasis care should also be different in different seasons. It can be said that it varies from time to time.