The symptoms of cerebellar vascular malformation are different mainly according to the symptoms of bleeding or infarction caused by cerebellar vascular malformation. In case of cerebellar vascular malformation, there are some patients who show no specific clinical symptoms, some of them are only found to have cerebellar vascular malformation during the vascular examination of the head and neck, which can be treated without special treatment at this time. Then, if the cerebellar vascular malformation has more serious symptoms, such as embolism caused by vascular malformation, or cerebral hemorrhage caused by rupture and bleeding of cerebellar vascular malformation. Patients may have hemiparesis of one limb, ataxia of one limb, swallowing, choking, difficulty in eating, and slurred speech. Some patients may have autonomic dysfunction, which may be manifested as panic and chest tightness. Therefore, the symptoms of cerebellar vascular malformation depend on the severity of the vascular malformation and the complications caused by the vascular malformation.