There are many people who think that if they have a red dot or multiple red rashes on their face, they think that this is a hemangioma, but in fact, it is not necessarily true that if there are multiple red rashes on our body, it must be a symptom of hemangioma. 1.Hemangioma is a surface hemangioma of the skin that occurs from vascular tissue, usually a little red spot or a small spot on the skin grows gradually, the red color deepens and will be slightly elevated. 2.The main manifestation of hemangioma is one to several dark red or greenish red patches. The edges appear incomplete or not above the skin surface, and are more common on the head and neck. It is a blue-purple or red color, and sometimes some spots of blood vessels are touched. There are many causes of hemangioma, which may be caused by genetic factors, environment and trauma. It is not true that every infant will have hemangioma at birth, but if the infant is born with certain hemangioma, parents need not be too nervous and actively cooperate with the doctor for treatment, it can be cured and recovered between 1 and 5 years old.