The head always feels swollen and painful, the first step is to identify the cause and make a clear diagnosis. According to the symptoms, duration and pathogenesis, it can generally be divided into primary head distension and secondary head distension. I. Primary head distension: generally long history, irregular symptoms, intermittent episodes, lasting 2-3 days each time, can be relieved after sufficient sleep, this condition is benign idiopathic headache, common diseases are migraine, tension headache, etc.; II. Secondary head distension: refers to the head distension caused by systemic diseases secondary to systemic or intracranial and extracranial organic injuries. 1. Cold and fever: fever generally suggests There is inflammatory infection in the body, and the central regulation of body temperature becomes impaired, resulting in head distension and pain. To be treated according to the cause, if it is caused by a cold, drink a lot of water to replenish the water lost by the body; 2, endocrine disorders: may be related to the decline in hormone levels, generally occurring before menstruation. Pay attention to daily maintenance, healthy diet, moderate exercise, avoid staying up late, etc.; 3, hypertension: common intracranial and extracranial organic diseases, such as encephalitis, meningitis caused by intracranial infectious diseases, brain tumors caused by brain hemorrhage, subarachnoid hemorrhage, subdural hematoma, head trauma, external sinusitis, glaucoma, toothache, and inflammatory diseases of the head and facial organs, can also reflexively cause head distension and pain; 4. Depression: depressed patients are often accompanied by somatic manifestations, such as dizziness and headache. Mild cases can relax the mood through self-regulation, and in severe cases, antidepressants should be taken. The head swelling and pain can disappear after the general symptoms are relieved. In addition, if the abuse of drugs, such as aspirin, ibuprofen, etc. can also cause headache. Any medication taken randomly or excessively can easily cause such conditions, and it is recommended to stop the medication immediately, and in severe cases, hospitalization is required.