With the onset of cold winter comes a variety of skin problems. One of the most common ones is itching all over the body and dry, cracked and bleeding hands and feet. This situation arises because the winter air is dry, the temperature is lower, the skin blood supply is reduced, sebaceous gland secretion is weakened, the skin lack of moisturizing, medically known as “chaps”. The prevention of chapped skin should generally pay attention to the following points: 1, hand washing, foot washing, face washing, to minimize the use of soap or medicinal soap and other alkaline toiletries, should also be appropriate to reduce the number of baths, not too often, to 1 time a week as well. After bathing, you can apply external healing cream, glycerin and other non-irritating oils. It is best to wear cotton underwear. 2, usually to do more outdoor activities, often rub hands, face, active hands and feet joints, promote blood circulation, enhance the skin’s ability to withstand cold. 3, pay attention to diet and nutrition, you can eat more food containing unsaturated fatty acids and protein. Unsaturated fatty acids in sesame, walnuts in more content, eat more of these foods can promote oil secretion. Containing more protein is soybeans and soy products, eat more of this type of food can promote metabolism, play a role in repairing the skin.