The main causes of right brain pain are as follows: 1. If there are usually risk factors, such as hypertension and diabetes, patients with right brain pain should go to the hospital as soon as possible for examination to exclude cerebrovascular accidents, such as cerebral hemorrhage and other diseases; 2. Tumors can also cause headaches, but tumors are a chronic and gradually aggravating process, so if it is an acute right brain pain, it is more likely to consider cerebral hemorrhage; 3. If there is no abnormality in the head examination It may be functional headache, such as neurovascular headache, which may be related to mental tension, poor rest or eating stimulating food, such as coffee and cola. For this type of headache, symptomatic treatment is sufficient, including avoiding the intake of irritating food, paying attention to rest and not being nervous.