Swelling and pain after wisdom tooth extraction is a common clinical phenomenon, usually after the extraction of more traumatic ambiguous wisdom teeth. Since most of the buried wisdom teeth require incision, flap, bone removal, tooth division, extraction, suturing and a series of operations, which are relatively more traumatic and take longer, swelling and pain will occur after the extraction of these teeth, which are considered as physiological symptoms and do not require too much treatment. However, if the swelling and pain still do not subside after 3 days or more after tooth extraction, and there is a gradual aggravation of the situation, it is necessary to check the tooth extraction wound again to see if there is redness, swelling and pus overflowing, and to exclude the infection after tooth extraction.