There are three possible scenarios for an abscess on the gums. The first is a periapical abscess caused by chronic periapical inflammation, in which a fistula may bulge out of the gums and pus may be discharged if the patient pokes at it on his or her own. In this case, it is recommended that the patient go to the endodontist for endodontic treatment to remove the infected nerve from the root canal, sterilize the root canal, and fill the canal so that the abscess will slowly subside. The second reason may be due to periodontal abscess caused by bad periodontal condition, it is recommended that the patient can take a little anti-inflammatory drugs, after the abscess subsides, periodontal basic treatment, after removing intra-oral calculus, the abscess can also slowly subside. The third reason may be due to the patient’s wisdom teeth caused by inflammation of the wisdom teeth pericoronal abscess, in this case, you can under local anesthesia will be incised to drain the abscess, together with some anti-inflammatory drugs, to be subsided after the abscess, the wisdom teeth can be removed.