Different types of extracranial hydrocephalus require different treatment approaches. Chronic extracranial hydrocephalus is typically treated with ventriculo-peritoneal shunting surgery, acute extracranial hydrocephalus is usually treated with emergency external ventricular drain, and hydrocephalus caused by tumors requires tumor resection. It is recommended to undergo a comprehensive examination before deciding on the treatment method. As for hospital and expert selection, it can be consulted and recommended based on specific circumstances.