1, and try to avoid water accumulation in the surgical site within 7 days after operation;
2, ensure the surgical site clean, 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. Once there is bleeding and severe hematoma after operation, you should go to the hospital for follow-up in time;