Diseases causing headache mainly include migraine, acute cerebrovascular disease, hypertensive encephalopathy, central nervous system infectious diseases, etc. According to the accompanying symptoms of the patient, it is necessary to further examine and confirm the diagnosis, find out the cause of the disease and treat the cause of the disease. 1. Migraine: one or both sides of the temporal fluctuating pain, headache is more intense, may be accompanied by nausea, vomiting, poor vision and other symptoms, can be treated with oral non-steroidal anti-inflammatory drugs, such as ibuprofen capsules and so on. 2. Acute cerebrovascular disease: such as cerebral hemorrhage, subarachnoid hemorrhage, etc., the symptoms of headache may be caused by increased intracranial pressure, headache is generally more severe, accompanied by jet vomiting, limb movement difficulties and other symptoms, can check the CT of the head to confirm the diagnosis. 3. Hypertensive encephalopathy: when the blood pressure is high, the intracranial pressure rises, and headache, nausea, vomiting and other symptoms may appear, and the headache is usually more severe, and the diagnosis can be confirmed by measuring the blood pressure first. 4. Infectious diseases of the central nervous system: such as purulent encephalitis, viral encephalitis, etc., which can be accompanied by fever, headache and other symptoms, can check the blood routine to confirm the diagnosis, and if necessary, can check the cerebrospinal fluid to confirm the diagnosis. If you have headache symptoms, you can go to the hospital for further examination to confirm the diagnosis, first find out the cause, and then treatment, so as not to delay the condition.