Wisdom tooth pericoronitis abscess need to be through the blind bag rinsing, oral medication and incision and drainage of pus and so on, the specific drainage method can be combined with the severity of the abscess to choose. Wisdom tooth abscess, if the abscess is not particularly serious, you can follow the doctor’s instructions to use hydrogen peroxide and saline alternately rinse the blind pouch, can promote the discharge of local inflammatory substances. After the discharge, then apply local iodized glycerin and oral cefadroxil, amoxicillin and other antibiotics to prevent infection. In severe cases, further gingival flap incision and drainage is needed after flushing the blind pocket. If necessary, it is also necessary to take into account the location of the wisdom teeth to take, whether to remove the wisdom teeth. In this period need to pay attention to oral hygiene, after eating need to use saline or warm water to clean the mouth, to avoid the accumulation of food in the gums for a long time, affecting the local recovery. Wisdom teeth pericoronitis pus drainage and medication need to be operated and guided by doctors.