Cerebrospinal fluid is a very important fluid in the human brain ventricles, and it plays a vital role in maintaining intracranial pressure, cushioning external forces, and protecting the brain and spinal cord. Cerebrospinal fluid is constantly being produced and absorbed. According to statistics, the average single-day production of cerebrospinal fluid per person is 524 ml. Normal cerebrospinal fluid contains certain chemicals and pressures that transport nutrients to the brain and spinal cord and carry away the waste produced. When, under certain factors, the cerebrospinal fluid becomes impaired in circulation, it can lead to excess cerebrospinal fluid and increased pressure, triggering hydrocephalus. Some people ask how to treat cerebrospinal fluid in the elderly. The cerebrospinal fluid in the elderly mentioned here mainly refers to the condition of increased cerebrospinal fluid in the elderly, which is usually normal pressure hydrocephalus. This type of hydrocephalus is a more complex type of hydrocephalus in clinical practice because its pressure is basically within the normal range, although the examination process shows that the amount of cerebrospinal fluid exceeds the normal value. The principle of treatment regarding hydrocephalus is easy to understand, which is to drain the excess cerebrospinal fluid out of the body with the advantage of surgical procedures to restore it to its normal range and restore its operational function. The main treatment modality for hydrocephalus is shunt surgery, of which lumbar pool shunt is the surgical technique for treating normal pressure hydrocephalus, but it has a higher chance of causing blockage and infection after surgery. Some patients have shunt infection in the early stage, but because of the perennial lack of timely and effective treatment, resulting in the presence of bacteria in the body all the time, making the later treatment difficult, and some critically ill patients are often rejected by several hospitals because of the difficulty of treatment. So patients in the treatment, must be multifaceted understanding, grasp the different hospital doctors treatment plan and effect, and then choose a hospital with outstanding efficacy and few complications, can avoid many detours on the road to treatment. Through years of research and clinical practice, medical experts have continued to study and improve the technology, concluding that the cerebrospinal fluid specialty technology is the cutting-edge technology for treating hydrocephalus, helping patients get rid of the disease by giving normalized treatment for cerebrospinal fluid volume, cerebrospinal fluid composition, ventricular wall abnormalities and abdominal wall. The cerebrospinal fluid specialty technology has saved many elderly people with normal pressure hydrocephalus who are disabled and desperate, and has been widely praised by patients.