Tingling and numbness of the lips have various etiologies, such as acute cerebrovascular disease, demyelinating diseases, emotional disorders and allergies. Specific analysis is as follows: 1. Acute cerebrovascular disease: if the lesion involves the brainstem, numbness and numbness of the lips may occur, and at the same time, the patient may also show symptoms such as unfavorable speech and swallowing disorders. 2. Demyelinating disease: if the patient has multiple sclerosis, the lesion may affect the brainstem, and the numbness and numbness of the lips will appear clinically. 3. Emotional disorders: to consider the possibility of anxiety, anxiety can also lead to numbness and numbness of the lips. 4. Allergy: eating allergic food or drugs can lead to, if necessary, recommended oral paracetamol, specific medication as prescribed by the doctor. Lip numbness and numbness has a variety of causes, if the above symptoms continue to be unrelieved, at the same time there are other accompanying symptoms, it is recommended to consult a doctor in a timely manner to avoid delays in the condition.