Cold compresses can be applied after tooth extraction. After the extraction of tissue fluid exudation may appear swelling symptoms, local cold compresses can promote the body to recover, effectively inhibit the exudation of tissue fluid, reduce swelling, but also allows the capillaries to quickly contract, to avoid bleeding, so after the extraction of teeth can be appropriate cold compresses. If the extraction time has been more than 72 hours, it is best not to carry out cold compresses, you can appropriate local hot compresses, hot compresses can promote blood circulation, so that the body as soon as possible to recover. After the extraction of teeth need to do a good job of oral care, it is best not to chew too much, so as not to lead to tooth stimulation. Also need to pay attention to light diet, avoid eating spicy stimulating food.