Sometimes red and sometimes not red on the eyelids of infants can be caused by capillary hemangioma and nevus erythematosus, which can be judged according to the specific conditions. 1. Capillary hemangioma: mainly grows in the head, neck skin, belongs to the benign tumor of skin blood vessels, there will be red patches on the skin, but the red color will disappear when gently touched by the finger, so the children can have the performance that the eyelid skin is red sometimes and not red sometimes. 2. Nevus erythematosus: mainly caused by capillary dilatation, after localized pressure, nevus erythematosus will become pale, and once the hand is loosened, it will be congested with blood immediately. Nevus erythematosus can be seen at birth and is distributed on the head, face and neck. It is recommended that children with eyelid lesions be seen promptly for evaluation and treatment.