Psoriasis is a chronic disease, the onset of psoriasis factors are genetic, environmental, seasonal influences, infection, mental influence, etc., of which many psoriasis patients will to the onset of the spring and autumn season, winter time will aggravate the psoriasis condition, which brings great harm to patients, the following to see why to the winter will aggravate psoriasis. As for why psoriasis is aggravated in winter, because winter patients are relatively less active, most patients like to stay indoors, plus heating makes the air dry, the human body sweats less in winter, the number of baths is reduced, which is not conducive to skin cleaning, so, winter psoriasis is prone to recurrence. Psoriasis is a stubborn disease, is the patient’s skin is seriously damaged, psoriasis patients live in a humid environment for a long time, the skin is easy to erosion, bacteria proliferate, most cause skin infection and disease. So it is important that the house where psoriasis resides is regularly ventilated to avoid humidity so as not to aggravate the disease. The environment factors will also have a great impact on the disease, for these factors that can affect the condition of psoriasis, we should also pay attention to prevent, residential areas to prevent moisture for psoriasis disease is very influential, treatment at the same time pay attention to preventive care. The actual fact is that you will be able to get a lot more than just a few of these.