Itchy legs in the fall and winter seasons may be caused by dry climate, decreased sebum function, or aggravation of vascular diseases such as varicose veins. Due to the dry climate in the fall and winter season, the lack of moisture in the air, as well as the function of sebum is also affected to a certain extent, so that the moisturizing effect of the skin on the legs and other parts of the decline in itching and other manifestations of this situation need to pay attention to moisturizing, you can put a humidifier indoors or apply moisturizing creams and so on. Itchy legs in fall and winter, but also pay attention to whether there are varicose veins and other vascular diseases or aggravation of the situation, on the basis of these vascular diseases in itself, coupled with low temperatures in the fall and winter season cold stimulation makes the local superficial blood vessel contraction, in the case of blood supply obstacles will appear itching or even ulceration and so on. It is recommended that recurring or progressive development of itchy skin in the fall and winter, in the case of self-management observation can not be controlled, timely to the dermatologist to rule out the disease factors.