1, patients who are emaciated or have not had children; 2, patients without sufficient abdominal wall tissue; 3, those with blocked blood supply to the TRAM flap for abdominal surgery; 4, subcostal and paramedian incisions are contraindications for tipped TRAM flap transfer; 5, appendectomy incisions, transverse lower abdominal incisions or inguinal surgery incisions are contraindications for free TRAM flaps; 6, after abdominal wall fat aspiration; 7, patients with important organ 7, important organs have organic disease, or suffer from systemic diseases, can not tolerate surgery, such as: serious cardiovascular disease, chronic lung disease patients; 8, uncontrollable hypertension, pathological obesity; 9, insulin-dependent diabetes mellitus, non-insulin-dependent diabetes mellitus is not an absolute contraindication but will increase the occurrence of complications; 10, smoking, autoimmune diseases; 11, coagulation mechanism disorders; 12, underage patients; 13 13. patients who have signs of tumor recurrence or metastasis; 14. patients with unrealistic requirements for surgical results; 15. psychiatric patients or emotionally unstable patients; 16. patients who do not want to operate themselves.