The treatment of hemangioma with maleic acid eye drops is mainly for superficial and small hemangioma, which is mainly caused by capillary dilation, and the patient will show localized skin reddening into strawberry-like changes. In this case, maleic acid drops can be used, which can make the hemangioma smaller or even disappear completely. It is a very good conservative treatment for hemangioma, without surgery and without side effects. For hemangiomas in special areas, such as the mouth and lips, the blood vessels in these areas are not suitable for treatment with maleic acid eye drops because of the possibility of entering the digestive tract directly into the human body, which may have adverse effects on the human body. This kind of hemangioma is mainly for infants and young children, so eye drops with maleic acid are also more suitable for this kind of people, without too many side effects, and it is more convenient to use.