Six-month-old babies with red blood on the face are considered to be related to environmental factors, stimulation of drugs and other factors. It is recommended to get out of the environment, stop the use of suspicious drugs, keep the face moist, and go to the hospital if necessary. 1. Environmental factors: six-month-old babies are often under ultraviolet rays, do not pay attention to sunscreen, the surrounding temperature is too high and so on, it is easy to lead to capillary dilatation, the face may appear red blood. It is recommended to get out of the ultraviolet environment, maintain indoor temperature and humidity, pay attention to skin moisturizing, the symptoms can be gradually relieved. 2. Stimulation of drugs: If you use drugs such as glucocorticoid, it may cause local skin irritation, resulting in redness on the face. It is recommended to stop the use of such drugs, increase water intake, close observation, and pay attention to skin moisturizing. If it is not accompanied by other symptoms, it is recommended to observe closely, and it can gradually improve with time. If the baby shows signs of hypoxia, such as wheezing, difficulty in breathing, blue lips and other symptoms, it is recommended to go to the pediatric internal medicine department of the hospital in a timely manner.