The following cases are selected for direct curative treatment: trigeminal nerve microvascular decompression 1, carbamazepine tablets are ineffective or long-term medication for pain relief is poor. 2. Allergy to carbamazepine tablets. 3.The dose is too large and the side effects increase. If you encounter the following cases, you can only choose to do the treatment of surface treatment: percutaneous puncture radiofrequency thermal coagulation, gamma knife 1, senior patients (>80y). 2, there is a contraindication to open surgery. 3.Patients with surgical recurrence. 4.Patients who refuse craniotomy.