The end of the tooth that is wisdom teeth, one week after the removal of wisdom teeth, gums are still swollen, may be the occurrence of post-extraction infection, treatment for the removal of irritating factors, anti-inflammatory drugs, the occurrence of interstitial infection in a timely manner, incision and drainage, specific as follows. 1. Remove the stimulating factors: tooth extraction socket left tooth pieces, bone fragments, tartar and other foreign objects and residual granulation tissue can cause chronic infection, local anesthesia should be thoroughly scratched under the alveolar fossa, to remove foreign objects and inflammatory granulation tissue. 2. Take anti-inflammatory drugs: such as metronidazole, cefazolin, etc., to assist in controlling the inflammation and infection, the drugs should be used under the guidance of a doctor. 3. Make timely incision and drainage when interstitial infection occurs: if acute infection causes maxillofacial interstitial infection, the mucosa should be incised in time to drain the pus. It is recommended to go to regular medical institutions to receive professional treatment.