After the elderly appeared hydrocephalus, it is necessary to promptly through the cranial CT, cranial MRI and other examinations, to clarify the severity of hydrocephalus, so as to give the development of treatment programs, including conservative treatment and surgical treatment, specifically as follows: a. Conservative treatment: if you can be treated by conservative treatment, you can choose the mannitol, glycerol fructose, albumin, furosemide and other drugs, dehydration, cranial pressure lowering treatment, you can also Choose lumbar puncture to release cerebrospinal fluid to alleviate the hydrocephalus in the brain. Surgery: If these treatment measures still cannot improve the patient’s symptoms, and the patient continues to have headache, consciousness disorder, intellectual decline, lower limb weakness, unsteady walking and other symptoms, surgery should be chosen according to the patient’s specific situation. If the patient can tolerate the surgery, ventriculoperitoneal shunt can be chosen to reduce the hydrocephalus. If the patient cannot tolerate surgery, a minimally invasive surgical approach can be chosen to improve the patient’s symptoms.