Hepatic hemangioma is a relatively common benign tumor of the liver, clinically cavernous hemangioma is the most common, accounting for 5-20% of benign liver tumors. The incidence of hepatic hemangioma is more common in women than in men. Most cases are clinically asymptomatic or mildly symptomatic, with a long course and slow growth, and a good prognosis. The cause is congenital malformation of the terminal blood vessels of the liver. It is generally believed that hepatic hemangiomas are formed during embryonic development due to abnormal development of hepatic blood vessels, which causes abnormal proliferation of vascular endothelial cells; meanwhile, female hormones may also be one of the pathogenic mechanisms of hemangiomas. Most hepatic hemangiomas have no obvious discomfort symptoms and are mostly detected during routine ultrasound examinations or abdominal surgery. Non-specific abdominal symptoms may occur when the hemangioma increases in size to more than 5 cm. Since hepatic hemangioma lacks specific clinical manifestations, imaging examinations (such as ultrasound, CT, MRI) are currently the main methods to diagnose hepatic hemangioma. Small hepatic hemangiomas (less than 4.0 cm in diameter) with clear diagnosis and not involving important intrahepatic ductal structures can be closely observed and do not require surgical treatment for the time being. Indications for hepatic hemangioma surgery: ① tumor diameter >5.0cm, accompanied by clinical symptoms; ② tumor body >10cm; ③ unclear diagnosis, difficult to distinguish from liver cancer; ④ combined with viral hepatitis; ⑤ combined with other diseases, requiring laparoscopic surgery; ⑥ tumor diameter <5cm, but after B-type ultrasound, CT follow-up, found that the hemangioma is growing rapidly, or the emergence of more obvious clinical symptoms. (5) If the tumor is <5cm in diameter, but rapid growth of hemangioma or more obvious clinical symptoms are found after B-type ultrasound and CT follow-up. Surgical treatment mainly includes: hepatic hemangioma resection, laparoscopic hepatic hemangioma resection (currently only a few high-end large general hospitals in China can perform it), interventional embolization, radiofrequency ablation and other methods. Some people with special location and not suitable for hepatic hemangioma resection can choose radiofrequency ablation treatment.