Wisdom teeth extraction after the general 2 days can be hot, just after the extraction of wisdom teeth within 2 days can be localized ice packs, swelling heavy recommended to the hospital in time for examination and treatment. 1. After wisdom teeth extraction will bleed, in order to stop bleeding and swelling can be localized ice packs, generally recommended within 2 days to do ice disposal, ice can play a role in contracting blood vessels, promote the role of local coagulation. 2. After wisdom teeth extraction, there is generally no fluid blood flow on the same day, 2 days or so, the blood clots in the extraction wound is about to start mechanization, so after 2 days in order to promote blood flow, accelerate the metabolism, should be done locally hot compresses, can promote wound healing. If the swelling is serious, you can use physical therapy equipment to apply hot compresses.