The wisdom tooth is a wisdom tooth, the gum swelling and pain around the wisdom tooth is suffering from pericoronitis, this wisdom tooth is blocked growth, easy to cause surrounding soft tissue redness, swelling, pain, mouth opening restrictions. In the treatment need to use an adequate amount of antibiotic anti-inflammatory treatment to solve the pain, such as oral generation or second generation cephalosporin, amoxicillin or erythromycin with metronidazole combined anti-inflammatory, wisdom teeth around the hospital need to do peri-coronary rinse on medication, if the pain, swelling is particularly obvious suggest the use of intravenous infusion of anti-inflammatory. Some people’s wisdom teeth are completely blocked, so the end teeth refer to the second molar. There are two reasons for the swelling and pain of the gums of the second molar: they suffer from chronic periapical inflammation and need root canal treatment to eliminate the inflammation and relieve the pain; they may suffer from periodontal inflammation and need to go for periodontal treatment to solve the pain problem.