The treatment of low cranial pressure includes symptomatic treatment and causal treatment: 1. Symptomatic treatment can use non-steroidal antipyretic and analgesic drugs to improve the headache symptoms caused by low cranial pressure, commonly used ibuprofen or naproxen. At the same time, we should actively give rehydration support, choose sugar saline, the daily amount of rehydration at least 2000ml, patients who have the conditions can also help replenish the liquid by oral glucose saline, only enough liquid to ensure that there is enough secretion of cerebrospinal fluid, can promote intracranial pressure back up; 2, the main cause of treatment is to clarify what causes of low cranial pressure, if there is cerebrospinal fluid leakage, skull base fracture to If there is cerebrospinal fluid leakage or skull base fracture, surgical repair of skull base fracture should be performed to remove the cause of cerebrospinal fluid leakage, so that the cranial pressure can be gradually restored. If it is severe malnutrition, it is necessary to actively supplement nutrition, especially to pay attention to the supplementation of albumin to increase the albumin content in the blood, if it is malignant tumor or other malignant wasting disease, it is also necessary to actively treat the original disease.