Newborns with dark foreheads have normal and abnormal conditions, which may be caused by long-term exposure to sunlight, heredity, melioidosis and other factors. 1. Normal situation: If the newborn’s skin is black, the forehead is black, this is normal, may be the influence of genetic factors, may also be long-term exposure to the sun, the sun’s ultraviolet rays will prompt the skin to produce melanin, thus aggravating the skin pigmentation, usually also avoid long-term exposure to sunlight. 2. Unusual conditions: there may be melanosis, is a condition due to pigmentation, usually appear in the face, such as forehead and cheeks, will cause local skin blackening, you can use vitamin E, vitamin C and other drugs under the guidance of the doctor to assist in the treatment, to promote the recovery of the condition. Newborns with dark forehead and longer duration, need to go to the hospital for a comprehensive examination to determine the cause of the disease, under the guidance of the doctor for treatment, and at the same time to give newborns more vitamin supplements.