Numbness at the tip of the tongue may be caused by lingual inflammation, eating irritating foods, or damage to the lingual nerve. 1. Tongue inflammation, especially inflammation of the filiform papillae, mostly occurs in the tip of the tongue. In addition to the numbness of the tip of the tongue is accompanied by burning pain, commonly fungal infections, you can take antifungal drugs such as sodium bicarbonate gargle, ketoconazole and so on under the guidance of a doctor. 2. Eating irritating food caused by lingual nerve injury will also appear the symptoms of tongue numbness, do not need special treatment, change the diet can disappear on their own. 3. Numbness of the tip of the tongue may also be the precursor of cerebrovascular diseases, such as cerebral insufficient blood supply, cerebral infarction, hypertension and so on. Therefore, tongue numbness may be the precursor of lingual inflammation, lingual nerve injury or cerebrovascular disease. You can go to the stomatology department or neurology department for timely medical treatment, and the use of medication should follow the doctor’s instructions.