Dark skin in children can be caused by genetic factors, poor nutrition, and improper daily care. It can be improved by sun protection, diet and keeping the skin clean. 1. Hereditary factors: hereditary children have darker skin, there is usually no effective way to improve, you can do a good job of sun protection in daily life, while doing a good job of skin cleaning. 2. malnutrition: malnutrition can also cause a child’s dark and thin situation, parents should help their children to develop good eating habits, avoid picky eating, partiality, can be appropriate to increase the child’s lean meat, eggs, milk and other foods containing high protein, enhance nutrition, can gradually alleviate the symptoms of darker skin. 3. Improper daily care: Children are often exposed to the sun, which can cause darker skin. When going out, parents should give their children good protection to avoid direct ultraviolet radiation, you can wear sunscreen clothing and other items. In daily life to do a good job of skin cleaning, to avoid the accumulation of oil stains and dirt, can effectively alleviate the situation of darker skin. Children in the growth and development of the period of physical discomfort, should promptly seek medical treatment.