Tongue tip pain may be caused by mechanical irritation, lack of vitamins, viral infection and so on, it is recommended to go to the hospital for timely examination and treatment. 1. Frequent stimulation of the relative position of the tip of the tongue with calculus, sharp edge ridge of the teeth, residual roots and crowns, bad restorations, etc. may cause symptoms of lingual papillitis and pain. 2. Frequent not eating vegetables and fruits etc. may lack of vitamins, the appearance of papillitis, tongue ulcers and other manifestations, ulcers will also be painful and uncomfortable. 3. People with systemic diseases or low body resistance will have viral infections on the tongue, which may cause small blisters and itching pain, and it is recommended to treat systemic diseases and improve immunity in general.