2. Ensure that the treatment site is clean to prevent infection. If there is blood scab or secretion on the wound, it can be wiped with sterile physiological saline;

3. The local wound after operation can be bandaged with pressure or cold compress with ice pack, but the pressure should not be too high to avoid damaging the surgical site;

There should be a quiet and comfortable environment to recuperate after operation. Avoid heavy load and aggravate the swelling of the wound;

There will be some pain in the wound on the day of operation, but it will gradually ease with time. Patients should not rush to take painkillers, because aspirin drugs will aggravate wound bleeding;

6. avoid eating irritating foods, such as peppers.