Preauricular fistula surgery is a common surgery in ENT. The postoperative precautions for this surgery include the following: 1. Because this surgery is an infectious surgery, anti-inflammatory treatment is required in the postoperative case. Postoperative hemostatic drugs can be applied for a short period of time to avoid poor wound healing due to postoperative bleeding. As for the clinical care treatment, like this patient, because after the surgery are to be pressure bandaged head, so the patient try to sleep on the side and try not to press the pressure bandage place; 2, such patients, postoperative wash face and hair should also pay attention to, the place of surgery can not get wet, get water very easy to infection; 3, such patients after surgery, try to less sweating, if a lot of sweating, easy to increase 4, like this patient diet attention, do not eat spicy and stimulating food, it is recommended to eat more meat things, enhance the local healing of the wound, you can eat more high-protein food.