When the flesh next to the tooth swells up, the first consideration is related to a tooth bite, which can be treated by applying watermelon cream externally or by taking pain medication such as ibuprofen orally. In addition, it may also be related to apical abscess, periodontal abscess, pericoronal abscess, gum growth, and other causes. Since there are many common clinical factors, patients need to consult a doctor to identify the type of disease and carry out targeted treatment under the guidance of the doctor. 1. apical abscess: the flesh next to the tooth swells up and is accompanied by local fluctuating sensation, pressure pain, tooth loosening and other symptoms, generally considered to be related to apical abscess, usually due to the secondary cause of dental caries. Such patients usually need to undergo root canal treatment, and after the operation, they also need to take metronidazole tablets and azithromycin capsules for anti-inflammatory treatment; 2.periodontal abscess: dental calculus and plaque can lead to gingivitis, and without timely treatment, periodontal abscess can be formed, and the flesh next to the tooth swells up. Inadequate local cleaning, resulting in the local formation of wisdom tooth blind pocket, can also be manifested as the flesh next to the tooth swollen up, when patients generally need to go to the hospital for irrigation treatment to eliminate the cause, the later can be combined with iodine glycerin to promote the symptoms to subside. For patients with recurrent attacks, tooth extraction can be considered after the symptoms are relieved; 4, other: local gingival hyperplasia, gum tumor, gum cancer and other diseases can also lead to swelling of the meat next to the teeth, such patients generally need to go to the hospital for pathological examination to clarify the nature of the disease, if necessary, surgical removal treatment.