Minimally invasive treatment of abdominal malignant tumors has received more and more attention in recent years. Especially, the application of minimally invasive laparoscopic techniques has brought the treatment of some malignant tumors to a new level. At present, the application of laparoscopic radical surgery for rectal cancer and gastric cancer is becoming more and more widespread, and has even been written into the treatment guidelines. The Department of Surgical Oncology of Cangzhou People’s Hospital has carried out several cases of laparoscopic radical surgery for gastric cancer and laparoscopic colorectal cancer, all of which have obtained satisfactory results. It makes patients suffer less pain, recover faster, have less complications and satisfactory curative effect, which is easily accepted by patients and their families.