Wisdom tooth extraction is usually painless when handled properly. The whole process of extraction needs to be carried out under local anesthesia, and good post-operative care can also reduce pain. 1. Local anesthesia: Choose an anesthetic with strong numbing effect. In order to avoid pain during injection, surface anesthetic will be applied to the injection site first. In addition, the needle used to inject the anesthetic is different from the ordinary treatment, the needle is especially fine and sharp, and the speed of injection of anesthetic is controlled to minimize the stinging pain when entering the needle and the distension caused by pushing the anesthetic. 2. Post-operative care: ice packs can be used to reduce local swelling after extraction, and oral painkillers can be used to avoid post-operative pain. In short, wisdom teeth extraction is generally handled properly is not painful, there will be a certain degree of pain after the extraction, but overall can be tolerated.