The pain in the tip of the tongue may be papillitis of the tongue, trauma to the tip of the tongue, recurrent aphthous ulcers of the tip of the tongue, and so on. 1. Tongue papillitis: the mucous membrane at the tip of the tongue is distributed with tongue papillae, which, if inflamed, will lead to atrophy or congestion, redness and swelling of the tongue papillae, causing pain. 2. Tongue tip trauma: Due to irregularities in the front teeth, the tongue may be bitten frequently, causing tongue tip trauma and pain. 3. Recurrent aphthous ulcers of the tongue: There are many triggers, mainly poor dietary habits, irregular work and rest, stressful life and work, mental tension, etc., all of which can lead to ulcers and pain in the tip of the tongue. Tongue pain alone can not accurately determine the cause, but also need to be combined with the characteristics of the medical history, other test results in order to make an accurate judgment, it is recommended to clarify the cause of the disease under the doctor’s examination.