To prevent hydrocephalus, it is first recommended to cultivate good living habits, such as a diet low in salt and fat, and light in nature. Avoid eating overly greasy, spicy, and irritating foods. Additionally, engage in aerobic exercise daily, keeping it under 30 minutes, which can effectively prevent the occurrence of hydrocephalus. For patients with severe cranial trauma or serious central nervous system infections, toxic encephalopathy, etc., if the patient's condition is stable, a timely follow-up head CT scan should be conducted to dynamically observe changes in the patient’s condition. Furthermore, if some patients do not have clear contraindications for surgery, considering a lumbar puncture might be an option to maintain the fluid flow in the brain and prevent hydrocephalus.