It is recommended that the patient see a hospital for a physical examination and head MRI to determine if the facial palsy is central or peripheral. Generally, central facial palsy can be caused by cerebrovascular disease, which can be seen in brainstem lesions or in parietal ventricular lesions. If the central facial palsy is caused by cerebrovascular disease, the patient should be given active treatment for cerebrovascular disease, and after the acute treatment, if the patient has sequelae, symptomatic treatment such as rehabilitation and acupuncture can be followed. If the sudden face slant and mouth distortion is peripheral facial neuritis, for the acute stage of this condition, the patient should be given drugs to reduce facial nerve edema, such as dexamethasone and sodium heptaerythroside for injection, along with nerve-nourishing B vitamins, such as vitamin B1 and vitamin B12, etc. The patient should also be given physical therapy and acupuncture to promote facial nerve recovery. Physiotherapy, acupuncture and other treatments to promote facial nerve recovery.