本文报告１４０例三叉神经痛患者射频治疗的疗效追踪。其中男５７例，女８３例，我们采用经皮选择性半月神经节射频热凝术，术后随访１～７年，近期有效率９７．１％，复发率５５．９％，其中一年复发率为１７％，二年复发３５％，三年复发４５％。认为经皮半月神经节射频热凝术操作简便、安全、疗效肯定。对于反复射频封闭无效者，可酌情行后开颅探查性手术。 This article reports the efficacy of radiofrequency therapy in 140 patients with trigeminal neuralgia. There were 57 males and 83 females. We adopted percutaneous selective semilunar radiofrequency thermocoagulation. The patients were followed up for 1 to 7 years. The effective rate was 97.1% and the recurrence rate was 55.9% The rate was 17%, with 35% relapse in two years and 45% relapse in three years. Percutaneous semilunar nerve radiofrequency thermocoagulation that the operation is simple, safe, positive effect. For repeated invalid RF closure, discretional postoperative craniotomy.