Trigeminal neuralgia is known as the number one pain in the world. It is a more common facial pain, which is intense in nature and usually located on one side of the face. Patients are afraid to wash their faces and brush their teeth because of the fear of pain, and even blowing, coughing and sneezing can trigger the pain. By puncturing the radiofrequency needle into the trigeminal ganglion, the tip of the radiofrequency needle generates heat to selectively block the thick fibers in the trigeminal nerve fibers that transmit nociception, achieving the goal of treating pain while avoiding interference with normal sensation in the face, Ni Bing of the Department of Functional Neurosurgery at Xuanwu Hospital of Capital Medical University. Radiofrequency treatment is highly targeted Do where the pain is done, basically does not affect the normal area of sensation Minimally invasive treatment without incision No incision, only the puncture needle eye, the general needle eye heals in 24 hours. Local anesthesia surgery without hospitalization Can go home after half an hour after the end of the treatment Exact efficacy Low recurrence rate Precise radiofrequency treatment can achieve an efficiency of more than 90%, more than 1 year recurrence rate in less than 10%.