Since we have recently performed more McMurdo surgery, we have summarized the conditions and precautions that often occur after McMurdo minimally invasive surgery for patients, hoping to help patients who intend to undergo McMurdo surgical treatment. If the patient is sensitive to pain, some pain medication can be used. As the internal breast wound is not sutured after McMurdo surgery, bandage pressure is applied to stop bleeding and promote tissue healing, and some patients experience discomfort. Subcutaneous petechial hemorrhage When resting on the day after McMurdo surgery, try to avoid excessive changes in position that may cause the bandage to shift and cause the compressed wound to bleed, resulting in subcutaneous petechiae from the skin surface. IV. Local lumps Within a few weeks after McMurdo surgery, there is local inflammation and edema due to the trauma of the surgery, which will then gradually subside, a condition that is sometimes mistaken for lump remnants. V. Small scar at the incision Although the incision of McMurdo surgery is small, some keloid patients will still have small scar formation, so keloid patients can use some anti-scar medications.