Children’s face is waxy and dark, consider that it may be jaundice, may need blue light treatment; sepsis, anti-infection treatment. 1. Jaundice: due to bilirubin metabolism disorders caused by increased concentration of bilirubin in the serum, yellow skin, neonatal jaundice, can be treated with blue light irradiation, obstructive jaundice, if necessary, surgical treatment. 2. Septicemia: there will be cyanosis, red blood cell destruction leading to yellow skin, need to go to the hospital in time, follow the doctor’s instructions to be broad-spectrum antibacterial drugs, rehydration, nutritional supportive therapy. 3. Genetic factors: some parents themselves are black, the baby may be born after the inheritance of some of the parents of the skin color, this situation does not require special treatment. Usually take the child to participate in outdoor exercise, ensure adequate sleep, if necessary, can go to the hospital, let the doctor to diagnose the cause of the disease and then follow the doctor’s instructions to deal with.