Gum pain may be caused by inflammation of the alveolar teeth, odontogenic diseases, root fracture of the alveolar teeth, alveolar bone tumors, etc., and you should go to the hospital in time to clarify the cause of the disease. 1. Inflammation of the alveolar teeth: gingivitis, periodontitis, calculus and other inflammatory diseases of the alveolar teeth may lead to swelling of the alveolar teeth or gum pain. 2. Dental diseases: such as apical periodontitis, pulpitis or caries, etc., which may lead to pain in the gums of the alveolar teeth. 3. Root fracture of the posterior alveolar teeth: if the posterior alveolar teeth chew hard objects or suddenly suffer from external impact, etc., it may lead to root fracture of the posterior alveolar teeth, and root fracture of the posterior alveolar teeth may lead to pain in the gums. 4. Alveolar bone tumor: Alveolar bone tumor may lead to alveolar gum pain. Patients can usually eat more fresh fruits and vegetables to provide vitamins and other nutrients for the body, and eat less spicy, too cold, too hot and stimulating food. In life, we should pay attention to maintain oral hygiene, timely clean up food debris, correct smoking and other bad habits. Regularly clean tartar and develop proper brushing habits. If you feel unwell, you should go to the hospital in time to avoid delaying your condition or triggering adverse reactions.