The causes of hemangioma are comprehensive and include the following: 1. may be due to hormonal disorders in the body; 2. may be due to poor congenital development, which is one of the most important causes; 3. may be related to poor diet, such as frequent smoking, drinking and eating spicy, stimulating, fried and greasy food, which may cause repeated stimulation; 4. may be due to It is caused by other liver damage, so it needs attention. Generally belong to benign lesions, relatively small, asymptomatic try conservative treatment, observation can be, if serious, then need to be surgical intervention as soon as possible.