It is normal for patients to experience dizziness and brain swelling when they are angry, as follows: 1. emotional factors: when people are angry, it will lead to a series of changes in the body, such as increased blood pressure, vasodilation, etc. Patients will show symptoms of dizziness, head swelling, and even headache, 2. sympathetic excitement: when people are stimulated by excitement, sympathetic nerves being excited will cause patients to have a heart rate The patient’s heart rate will increase, the breathing will be deep and fast, the muscles will be tense, and the blood vessels in the brain will be dilated, so there will be dizziness and brain swelling. However, if the patient has previous problems such as cerebral arteriosclerosis, hypertension or aneurysm, he must pay attention to keep his emotions stable because acute cardiovascular and cerebrovascular diseases are easily induced when people are angry.