The treatment of headache needs to choose the treatment according to the cause, if the headache is caused by the increase of intracranial pressure, it can be relieved by injection, in this case, the main application of drugs to reduce intracranial pressure, usually using glycerol fructose, mannitol dehydration to lower cranial pressure to relieve headache.1, if the patient is migraine, neuropathic headache, muscle tension headache or headache caused by elevated blood pressure does not need to be injected If the headache is caused by high blood pressure, patients need to take antihypertensive drugs on time to control the blood pressure to relieve the headache, and no injection is needed for treatment.