The outermost layer of the skin is the stratum corneum, on top of which there is a sebaceous membrane, which plays a more important role in the integrity of the skin barrier function. The sebaceous film is a translucent milky film formed by the emulsification of sebum, sweat and epidermal cell secretions. The free fatty acids, lactate, urea and uric acid in the sebaceous film are natural moisturizing factors, which play a moisturizing role for the skin. The stratum corneum and sebaceous film prevent the loss of skin moisture. The dry and cold weather in autumn and winter makes the skin blood vessels contract. At the same time, the human body’s activity decreases, the metabolic rate decreases, sweat glands and sebaceous glands oil secretion is relatively reduced, in this case, the sebaceous film is obviously reduced, the skin moisture content is reduced, especially the elderly and the original dry skin people, their skin becomes fragile and lack of elasticity, easy to be stimulated by foreign objects cause itchy skin. Another common cause of itchy skin in winter is eczema. Due to the destruction of the skin barrier function caused by dryness, the skin is sensitive to allergens and prone to eczema. How can pruritus be treated? When itchy skin occurs, you must pay attention to care, reduce the number of washing, and never scald with too hot water, otherwise it will aggravate the itching. Try not to scratch, scratching will not only break the skin, choose a neutral or weak acid, does not contain fragrance, preservatives, soap-based and other chemically stimulating ingredients of the body wash, after the bath to apply emollients, of course, the best choice is the medical skin care products Winona up, such as soft moisturizing cream. In combination with allergic symptoms such as redness can be used Winona soothing moisturizer. However, if the itching is caused by eczema, it is necessary to use corticosteroid ointment, while the use of medical skin care products to enhance the effectiveness of reducing the side effects of hormones. The correct use of medical skin care products under the guidance of a doctor can not only repair damaged skin without affecting its function, but also help the skin to resist external stimuli, it is not a drug, and the main difference between it and ordinary skin care products is that the ingredients are clear, safe and more targeted, and can be used for a long time. Of course, if the simple treatment effect is not good, to go to the regular hospital dermatology department as soon as possible, ask the doctor to provide a set of targeted treatment protection methods. For long-term stubborn itchy disease, you can go to the hospital to do some corresponding examinations to exclude potential organ and system lesions inside the body.