(1)Immediate rapid intravenous drip 20% mannitol 100-200ml, severe cases at the same time intramuscular injection or intravenous injection of tachyphylaxis 20-40mg, in order to dehydration diuretic, reduce intracranial pressure.

(2) If the primary lesion is located in the posterior cranial fossa or conduit obstruction patients, should be timely lateral ventricle puncture, slow release of cerebrospinal fluid, while giving dehydration drugs, if necessary, continuous ventricular drainage.

(3) Intravenous drip with dexamethasone to reduce edema.

(4) Keep the airway open and give sufficient oxygen.

(5) Urgently do preoperative special examination and surgical preparation, etiological treatment when possible, such as brain abscess should be immediately puncture and pus extraction.