Do you have dry, cracked and bleeding skin on your hands and feet? Why? Autumn and winter, dry weather, low humidity, if not timely replenishment of water, will cause a lack of water in the body; in addition, because of the hands and feet palmoplantar parts of the skin stratum corneum thicker, and the lack of sebaceous glands, the skin is easy to dry; other factors, such as local friction, trauma, acid, alkali, certain skin diseases (such as hand and foot eczema, palmoplantar keratosis, ringworm and ichthyosis, etc.), and so on, can also cause the stratum corneum hardening, brittle, local skin pulling more than normal. Local skin stretching beyond the normal range, dry skin cracking can occur. Therefore, dry and cracked skin can be an independent disease or a concomitant symptom of certain skin diseases. Do you feel the pain of tearing? What to do? In autumn and winter, although sweating and urination are reduced, but the weather is dry, the general daily water supply should be not less than 2000-3000 ml; appropriate exercise to enhance physical fitness and prevent the occurrence of various diseases; pay attention to warmth, so that the extremities are warm and blood flowing; hands and feet should be coated with oil with moisturizing effect to protect the skin; reduce local friction; also avoid the stimulation of chemical substances and physical factors such as acid and alkali. Drugs: topical urea ointment, or salicylic acid ointment, or vitamin A acid cream, etc.; if keratin thickening is obvious, you can first soak the affected area in hot water, then use a razor blade to thin the thickened keratin layer, and then apply the drug. If you have hand and foot eczema, palmoplantar keratosis, ichthyosis, ringworm, etc., you should also actively treat them. Doing all these, we can say loudly: dry and cracked skin on hands and feet, don’t don’t don’t.