Facial muscle spasm is a common cranial nerve disorder, and traditional medication, acupuncture treatment, and botulinum toxin treatment can provide relief of symptoms in the short term. However, in the long run, the efficacy is poor. In addition, traditional treatment has many side effects and a high recurrence rate. In response to the current situation, facial muscle spasm surgery is gradually coming into the vision of doctors and patients. Microvascular decompression is a standard procedure recognized by the medical community for the treatment of facial myasthenia gravis. Microvascular decompression surgery is performed under general anesthesia with a straight incision of 3~5cm behind the affected ear and within the hairline, so that no surgical scars can be seen after the surgery. 2.After cutting the scalp, a bone window of about one coin in diameter is opened in the skull. 3.After entering the pontocerebellar region under the microscope, the facial nerve travel area is carefully explored, the blood vessels compressing the nerve are precisely found, and all the blood vessels compressing the facial nerve are pushed away. 4.After carefully separating the vessels compressing the facial nerve, a Tefflon patch was given to pad the nerve from the vessels. 5.After the surgery, the incision is glued, and only one change of medication is needed after the surgery, no bandage, no stitch removal, light pain, and small scar after healing. Microvascular decompression for facial muscle spasm has been developed very maturely, and it does not damage the function of facial nerve while relieving facial muscle spasm. However, the operation is difficult because the operating space is small, the anatomical relationship between nerves and blood vessels is complex, and this is the life center of the brain, so the operation needs to be very precise and no half-hearted mistakes are allowed.