Peripheral facial nerve palsy, also known as peripheral facial palsy, is mainly caused by non-specific inflammation of the facial nerve. Peripheral facial neuritis is clinically considered to be related to neurophilic viral infection, and can be characterized by edema of the facial nerve and, in severe cases, loss of myelin sheath. For the treatment of peripheral facial neuritis, the acute phase is mainly to promote the local inflammation and edema to subside, and at the same time to give nutritious facial nerve drugs to promote the recovery of facial nerve function, clinically commonly used are dexamethasone, prednisone, along with vitamin B1, vitamin B12, after the acute phase can also give physical therapy and acupuncture treatment.