Talking and spitting may usually be caused by acute mumps, oral ulcers, facial paralysis, cerebrovascular disease and other reasons. 1. Acute mumps: Acute mumps is usually caused by mumps virus infection, patients usually have fever, tooth swelling and pain and other symptoms, respiratory tract infection patients may cause acute mumps. 2. Mouth ulcers: Mouth ulcers are a kind of ulcerative damage disease that occurs in the oral mucosa, usually it may be caused by the patient’s digestive system problems, the patient usually has headache, dizziness, nausea and other symptoms. 3. Facial paralysis: Facial phlegm is a kind of disease mainly characterized by motor dysfunction of facial expression muscles, and patients usually have symptoms such as crooked corners of the mouth, incomplete eyelid closure, and drooling when talking. 4. Cerebrovascular disease: cerebrovascular disease refers to a variety of diseases of the blood vessels in the brain, patients usually have headaches, dizziness and other symptoms, and will have problems with neural coordination, which leads to sputtering. Sputtering may also be caused by acute submandibular inflammation, misalignment of teeth, large gaps between teeth, etc. Patients should go to the hospital in time for examination and symptomatic treatment.