Numbness of the tongue is mainly seen clinically in the following cases: First, excessive consumption of spicy, stimulating food, spicy, stimulating food has a strong stimulating effect on the taste buds of the tongue, long time consumption can appear abnormal sensation of taste buds and numbness. Usually pay attention to a light diet, rinse your mouth after meals, if necessary, you can eat drugs to clear heat and reduce fire. Second, acute cerebrovascular disease, mainly occurs in cases of cerebral hemorrhage and cerebral infarction, mainly manifests with symptoms such as numbness of tongue, distorted mouth and eyes, difficulty in swallowing, slurred speech, weakness of limbs and sensory impairment, etc. It is recommended that patients check head CT, head MRI, and if necessary, it is recommended to go to the neurology department for consultation. Thirdly, trigeminal nerve injury, tongue sensation is innervated by facial nerve. Patients with facial nerve palsy can have numbness of tongue tip, often accompanied by loss of sensation on one side of the face, and it is recommended that patients go to neurology for consultation.