An angry dizziness and brain swelling may be caused by emotional factors, sympathetic nerve excitation and so on. 1. Emotional factors: when a person is angry, it will lead to a series of changes in the body, such as increased blood pressure, blood vessel dilation, etc., the patient will be manifested as dizziness, swelling of the head, and even the symptoms of headache. 2. Sympathetic nerve excitation: when a person is excited and stimulated, the sympathetic nerve excitation will cause the patient to have a faster heart rate, faster respiration, muscle tension, etc. It will also cause the blood vessels in the brain to contract, and dizziness and brain swelling will occur. In addition to the above factors, other factors can not be ruled out. It is recommended that patients go to the hospital as soon as possible for examination, and the doctor will give targeted treatment after clarifying the cause.