Facial nerve palsy is also known as peripheral facial palsy, infusion drugs mainly include the following: 1, glucocorticoids, if the patient does not have contraindications to the use of hormones, in the acute phase of facial neuritis to give patients intravenous infusion of dexamethasone or prednisone, reduce facial nerve edema, promote facial nerve recovery, glucocorticoids are mostly used in the treatment of idiopathic facial nerve palsy. 2, if the patient has a viral infection should be used If the patient has a viral infection, he should be treated with antiviral drugs, especially if the patient has heavy facial palsy or complete facial palsy, antiviral treatment will benefit the patient greatly, commonly used is acyclovir or valacyclovir. 3, if the patient has heavy facial nerve swelling, he can also use sodium hepaticoside for intravenous injection.