Facial myoclonus is a cranial nerve disorder, mainly manifested as paroxysmal involuntary twitching on one side of the face, so it is also commonly known as facial twitching or face twitching. The degree of twitching is mild at the beginning of the disease, but it will gradually worsen in the later stage, and the twitching time is as short as a few seconds or as long as several minutes. This long-term frequent face twitching is very torturous and distracts people, seriously affecting normal work life and study. Facial spasm is a very dangerous disease, although it is not fatal, but it can cause great physical and psychological torture to people. Some patients not only have facial twitching, but also a few patients will have slight pain on the ipsilateral side of the face, and individual cases are even accompanied by ipsilateral headache and tinnitus. These are just the physical pains, and many people also suffer from psycho-spiritual problems because of these. Because of this abnormal symptom, many people may suffer from the cold eyes of others or ridicule, the patient may produce psychological inferiority depression, and some people may even have the idea of light-heartedness, and there are few clinical cases of suicide as a result. The consequences of this disease can be seen how serious, so once the upper muscle spasm, should be treated as soon as possible. For the treatment of facial muscle spasm, general hospitals in many places use conservative methods of internal medicine, but often the effect is not ideal, such as taking drugs, injections of botulinum toxin, closed injections, etc., which can only temporarily relieve the symptoms, and even some produce great side effects, causing greater damage to the body. At present, microvascular decompression is recognized as the standard treatment for facial spasm in the medical field. Microvascular decompression is a minimally invasive surgery with small trauma, fast recovery, mature technology, good results and high safety.