Many people today lament that although living conditions are significantly better than in the past, the emergence of various diseases always deals a heavy blow to people’s health and makes people treat life negatively. In fact, the current medical treatment is very advanced, and most diseases can be greatly reduced if attention is paid to them at an early stage, the cause is accurately found, and treatment is actively carried out. Hydrocephalus is one of the more common clinical conditions and has a wide range of people. Many infants and children unfortunately get hydrocephalus soon after birth, and many elderly people also suffer from hydrocephalus in clinical practice. So, what causes hydrocephalus and how to treat it if you have the misfortune to have hydrocephalus? Clinical analysis and summary of a large number of cases, found that the causes of hydrocephalus include the following five major aspects. 1, congenital malformation: If there is a congenital malformation, the incidence of hydrocephalus in infants and children will be a little higher. 2, infection: this is also an important cause of hydrocephalus, for example, the fetus in the uterus by various viruses or protozoa and other infections, but also easy to appear hydrocephalus. 3, intracranial hemorrhage: When there is intracranial hemorrhage, it is easy to cause fibroplasia, which can also lead to cranial hydrocephalus if there is malabsorption. 4, tumor: talking about tumor everyone will be very afraid, if there is a tumor in the brain, it will cause damage to the circulation of cerebrospinal fluid, thus causing intracranial hydrocephalus. 5, other factors: such as severe asphyxia in newborns, some genetic metabolic diseases, or severe vitamin A deficiency, etc., which may lead to the occurrence of intracranial hydrocephalus. Although the causes of hydrocephalus are complex and diverse, as long as we do early detection, early diagnosis and early treatment, most of them can get a good recovery.