A raised soft bag on the gums that breaks when touched may be caused by gingivitis, periodontal abscess, apical fistula, gingival tumor and so on. 1. Gingivitis: If affected by poor oral hygiene habits, tooth misalignment and crowding, calculus and other factors, the patient will be manifested as swollen gums, pain, bleeding and other symptoms, thus causing a raised soft packet on the gums broken at the touch of the situation. 2. Periodontal abscess: the disease is mostly caused by periodontal inflammation, may also be caused by gum loss, bacterial infection, low body resistance, the patient will have a raised soft packet on the gums a touch breaks the case, mainly manifested as red, swollen gums, pain, squeeze the local bleeding or pus. 3. apical fistula: most of the teeth are subject to dental caries, trauma and other secondary bacterial infections, and then develop into periapical periodontitis, serious patients will form a fistula, in the extrusion or chewing will be out of pus, which will cause a raised soft packet on the gums when touched, the situation is broken. 4. Gingiva tumor: a raised soft packet on the gums may be broken when touched due to gingiva tumor, most of the tartar, bad restorations and other irritants and chronic inflammation, etc., the surface of the rupture, there will be bleeding when squeezed. It is recommended that patients go to the hospital in a timely manner, after the doctor’s diagnosis, according to the specific conditions, to take targeted treatment.