I. BASIC CONCEPTS Headache refers to pain in the frontal, parietal, temporal and occipital regions. It can be seen in a variety of diseases, most of which are not specific. However, recurrent or persistent headache may be a signal of certain organic diseases, which should be carefully examined, clearly diagnosed and timely treated. Common causes 1, craniocerebral lesions: meningitis, cerebrovascular accident, brain tumor, concussion, migraine and so on. Extracranial lesions: cranial tumor, cervical spondylosis, trigeminal neuralgia, etc. 3.Systemic diseases: hypertension, pneumonia, poisoning and so on. Main symptoms 1, acute headache with fever, common in acute infections, caused by the headache is located in the whole head, was diffuse. 2.When there is a history of hypertension and sudden onset of headache, vomiting and hemiplegia, it may be cerebral hemorrhage. 3, headache is chronic and progressive exacerbation, and there are signs of increased intracranial pressure and local neurological signs, is common in intracranial occupational lesions. 4.If there is a history of trauma, traumatic brain injury should be suspected. 5, severe headache with vomiting, photophobia, headache relief after taking ergotamine, should be considered migraine. The first step is to rest quietly in bed. 2, the second step: no matter where the migraine headache parts, can be used cold water towel (or ice pack) or hot water towel (or hot water bag) on the forehead, in order to play a role in pain relief. 3, the third step: take painkillers, such as Somy pain tablets (pain tablets), Luo Tongding (cranial Tongding), ibuprofen and other drugs. However, overdose of painkillers can mask the condition. Step 4: Treatment for the cause of the disease, such as high blood pressure caused by headaches need to lower blood pressure treatment, cerebrovascular blood supply disorders caused by headaches need to expand blood vessels treatment. Step 5: If the headache is accompanied by consciousness disorder, vomiting, numbness of limbs and other symptoms, it should be sent to the hospital in time for treatment. V. Preventive measures: pay attention to rest, combine work and rest, exercise, drink more water, reduce alcohol consumption, and work and rest at regular intervals.