It is normal to have a little pus after wisdom teeth extraction without pain. 1. First of all, wisdom teeth extraction will be carried out in the local anesthesia, to prevent severe pain during the extraction process, thus leading to the phenomenon of patients experiencing shock. So it’s normal that there is no pain after wisdom teeth extraction. 2. If there is pus in the wound, it means that there is a wound infection, but no pain after wisdom teeth extraction is generally not a big problem, because the gums need a long time to heal completely after tooth extraction, during which the hole in the gums is easy to cause food inclusions, blockage is easy to cause infection. It is recommended that patients communicate with their doctors to take anti-inflammatory drugs such as metronidazole to prevent the occurrence of infection. If there is severe pain and fever in the late stage, it is still necessary to go to the dentist in time to prevent systemic infection caused by wisdom teeth extraction, which can lead to life-threatening situations, the use of drugs need to follow the doctor’s instructions.