1, the classic is open surgery (including transabdominal and transumbilical, transumbilical is the classic way, most of them can be performed); 2, at present, laparoscopic minimally invasive is the trend, with small trauma and fast recovery, requiring rich experience in laparoscopic surgery; 3, advanced technology has da Vinci robot surgery, which has advantages for more complicated surgery. It does not matter which type of surgery, the most important thing is to cut the tumor cleanly, when the disease is cured, that scar is not the most important, otherwise even a small scar cannot redeem the danger caused by unclean tumor cutting and rupture. Only on the basis of eradicating the tumor, the surgical method is the alternative.