The back of the child’s hand is rough and wrinkled and red may not be normal, it may be caused by cracked skin, dermatitis, zygomycosis and so on. 1. Cracked skin, mainly in winter, due to low temperatures and humidity, finger skin lack of sebum protection, it is easy to crack. If the symptoms are not serious, you can use skin care products to keep the skin soft and moisturized, and pay attention to keep warm. 2. Allergies, infections and other causes of dermatitis state, but also may be accompanied by itching, peeling and other manifestations. Should take the child to the hospital, after examination and diagnosis, through the anti-allergy and anti-infection, moisturize the skin and local skin tissue care methods for treatment. 3. Hands may also be caused by chronic lichen simplex, mainly due to long-term friction and scratching. Most of them can be improved by applying hand cream, and also choose a mild hand sanitizer, but try to avoid contact with alkaline substances. It is recommended to consult a doctor as soon as possible for a clear diagnosis and targeted treatment.