If children suffer from hydrocephalus, the following clinical symptoms will be manifested: first of all, it is manifested as the increase of head circumference. The head circumference of children with hydrocephalus is significantly longer than that of children of the same age, so it is necessary to detect the changes in the head circumference of children in a timely manner. Second, vomiting. The increase in intracranial pressure in children with hydrocephalus can cause vomiting. Finally, it can cause developmental delays. If the degree of hydrocephalus in children is relatively serious, it will squeeze the brain tissue, and after the brain tissue is squeezed and damaged, it will cause brain nerve dysfunction, and the development of children’s walking, crawling, lifting their heads, and other large movements will be delayed, and children’s intellectual level will also be reduced.