Abstract: In the surgical treatment of colorectal malignant and benign diseases,laparoscopic technology is more and more widely used.With the progress of equipment and instruments,and the support of evidence-based medicine,laparoscopic surgery has become the main minimally invasive technology of abdominal surgery.Laparoscopy has not only brought about the progress of minimally invasive technology,but also made great progress in the treatment scheme,operation mode,anatomical level and energy platform.In recent years,colorectal anatomical landmarks,operation level and operation approach have been established.The operation technology is becoming more and more mature.Lymph node dissection and digestive tract reconstruction have been standardized,experts and scholars continue to explore on the basis of standardization,and derive more new surgical methods,under the premise of ensuring the curative effect,they pay more attention to minimally invasive and functional preservation.This article focuses on the application of laparoscopy in colorectal surgery for benign and malignant diseases.

Key words: colorectal cancer, benign colorectal diseases, laparoscope surgery, robotic surgery