Bruises on the tip of the tongue may be caused by damage to the tip of the tongue and local congestion of the mucous membrane, or diseases such as papillitis of the tongue, which need to be examined in the hospital. 1. The tip of the tongue is damaged: when the tip of the tongue is torn by external forces or eat too hot and sharp food may damage the mucous membrane of the tip of the tongue, triggering local congestion of the papilla of the tongue, the general symptoms of light can be left untreated to heal on its own. 2. papillitis of the tongue: when there is a large number of bacteria in the mouth or eating spicy and irritating food for a long time, may trigger papillitis of the tongue, the papilla of the tongue is enlarged and protruding and congested, painful to touch, you need to take antibiotics for treatment, such as amoxicillin, cephalosporin and so on. Bruises on the tip of the tongue if the tip of the tongue large area of pain caused by inflammation, it is recommended to seek medical treatment as soon as possible, the use of drugs need to comply with the doctor’s instructions.