A bit of abnormal sensation on the right side of the face may be linked to a cavernous hemangioma in the left parietal lobe of the head. Cavernous hemangioma refers to a spongy abnormal vascular mass composed of numerous thin-walled blood vessels, and the lesion is located in the base of the middle cranial fossa outside the dura mater. There is often a tendency to spontaneous recurrent hemorrhage, and larger tumors may have a space-occupying effect. Clinical manifestations vary according to the site of invasion of the lesion. Cavernous hemangioma of the left parietal lobe of the head manifests as spontaneous hemorrhage, headache, coma, hemiparesis, sensory abnormalities, intracranial hypertension and other symptoms. The right side of the face may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or standardized treatment.