Facial paralysis caused by blowing into the air conditioner overnight can be treated with internal medicine, surgery, and auxiliary treatment. 1. Internal medicine treatment: commonly used glucocorticosteroids such as dexamethasone are suitable for acute facial paralysis and are the main drugs used at present. Early Acyclovir and Prednisone combined medication can effectively reduce nerve edema. Vitamin B can promote cellular metabolism, which can nourish the nerve, improve microcirculation and promote the absorption of facial nerve edema. 2. Surgery: Facial nerve decompression and facial nerve anastomosis are mainly used. It is mainly applied to patients who have no effect on conservative treatment with drugs. 3. Adjunctive treatment: Since patients with facial paralysis may have incomplete eye closure on the affected side, and inflammation may occur with prolonged exposure, erythromycin ophthalmic ointment is often used to moisturize the cornea of the eye to prevent infection. In addition, there are rehabilitation treatments and acupuncture treatments for facial paralysis, as well as massage of the facial muscles to promote recovery. Therefore, when facial paralysis occurs, it is recommended to go to the hospital for consultation and treatment under the guidance of the doctor.