If the numbness of half of the face is caused by peripheral facial palsy, the patient should take oral methylcobalamin, adenosylcobalamin, and vitamin B12 to nourish the facial nerve. If the degree of facial palsy is mild, oral hormones, such as oral methylprednisolone tablets, can be administered to reduce facial nerve edema and promote facial nerve recovery. If the numbness of half of the face is caused by cerebrovascular disease, patients need to take oral atorvastatin calcium tablets to lower lipids, stabilize plaque, and protect the vascular endothelium, and take oral aspirin to antiplatelet aggregation and prevent further aggravation of blood clots. If the patient’s half face is numb, if it is the sequelae of cerebral infarction, the patient should take oral Chinese medicine with blood activation, blood stasis and enlightening effect, such as compound Dilong capsule and vermifuge and snake Tongluo capsule, to improve the patient’s symptoms.