The reasons for frequently biting the right root of the tongue may include poor chewing habits, facial nerve paralysis, stroke, etc. 1. Bad chewing habit: due to eating too fast during meals or improper chewing movements, the right root of the tongue will often be bitten. Patients should learn to chew and swallow slowly, not eat too fast, and adjust improper chewing movements to avoid aggravating symptoms. 2. Facial nerve palsy: it will lead to unilateral facial paralysis, causing the sick side of the mouth skewed, speech leakage, salivation (drooling), etc., affecting the facial chewing movements, which will lead to frequent biting of the right root of the tongue. It can be treated with medicines such as methylcobalamin, amoxicillin, prednisone, etc. as prescribed by the doctor. 3. Cerebral stroke: there will be the symptom of skewed corners of the mouth, hindering normal chewing, easy to bite the root of the tongue. Patients can follow the doctor’s instructions to take drugs such as edaravone, cytarabine, etc. for treatment. Often bite the right root of the tongue may also have other reasons, if the symptoms continue to be unrelieved, we should go to the regular hospital in a timely manner for diagnosis and treatment to avoid delays in the condition.