Peripheral facial paralysis is relatively easy to recover, 70% of patients can recover after treatment without sequelae, and the recovery time ranges from 3-8 weeks. Peripheral facial paralysis refers to idiopathic facial neuritis, which is a non-specific inflammation of the facial nerve induced by viral infection or exposure to wind and cold, leading to edema of the facial nerve, which is easily compressed as it travels through the facial nerve canal and produces the symptom of functional deficits, resulting in peripheral facial nerve paralysis on the side of the lesion. Treatment must be early use of hormones, hormones can be anti-inflammatory, reduce edema, so that the compression of the facial nerve is lifted, patients with viral infection should also use antiviral drugs, it is recommended that the use of hormones at the same time as antiviral therapy. After that, methylcobalamin and vitamin B1 can be used to nourish the nerves according to the patient’s condition, and symptomatic treatment can be combined with rehabilitation physiotherapy.