Gum swelling after tooth extraction belongs to the postoperative swelling reaction after tooth extraction, can be local ice or medication to reduce swelling, but local inflammation caused by the spread of gum swelling, need to use antibiotic treatment. 1. Postoperative swelling reaction: after tooth extraction due to the presence of trauma there will be varying degrees of postoperative swelling, can be in the first 24 hours of ice packs, 24 hours after the local hot packs to reduce the swelling, but also in the postoperative dexamethasone medication to reduce swelling. 2. Inflammation spread caused by swelling: If the tooth extraction in the acute phase, the surrounding gums will appear rapid swelling, serious cases will also appear bacteremia, need to take antibiotics immediately penicillin, erythromycin antibacterial treatment. Gum swelling after tooth extraction need to go to the hospital after examination, follow the doctor’s instructions targeted medication.