[Research progress of colorectal surgery in 2021 and future prospects]

In recent years, with the wide application of immune score and liquid biopsy to guide the accurate diagnosis and precise treatment of colorectal cancer, colorectal surgery develops more rationally and scientifically. The strategy of organ function protection in colorectal surgery gradually attracts more and more attention. The continuous development of comprehensive treatments, such as targeted therapy and immunotherapy, provides more choices for colorectal cancer patients. Several significant progress in surgical strategies for benign colorectal diseases challenges the traditional concepts as well. The advances in medical science and the innovation of concepts and ideas set high new standards for the development of colorectal surgery in China. Efforts are required to improve the standardization of diagnosis and treatment of colorectal disease. There is still a long way to go to explore patient-centered new technologies, new concepts and new fields of accurate diagnosis and precise treatment in colorectal surgery.