The precautions to be taken after wisdom teeth removal include diet, local hygiene and oral medication. 1. Diet: After wisdom teeth removal, there will be a local wound, try not to eat with the affected side for a short period of time, and do not eat stimulating or too hot food, such as chili, hot pot, barbecue and so on, which will affect the recovery of the wound. Diet should be light. 2. Local hygiene: after eating, you need to use chlorhexidine gargle, warm water or saline to clean your mouth, to clean out the food debris in the wound to maintain good oral hygiene, which can be conducive to wound healing. 3. Oral medication: after wisdom teeth removal, the wound may also appear inflammation and infection, if necessary, also need to combine with the physical condition of the doctor under the guidance of oral amoxicillin, erythromycin capsules, cefaclor slow-release tablets and so on. Wisdom teeth after the removal of wires, if the local wounds appear serious infection, but also need to go to the hospital for medical treatment.