Annotation. Obturational obstruction of the large intestine of tumor genesis belongs to acute surgical pathology and the issue of operative tactics in this case is extremely important in emergency surgery. The current trend in the treatment of complicated colorectal cancer is to carry out radical surgical interventions with the formation of primary anastomoses and compliance with basic oncological principles. However, carrying out such interventions under adverse conditions, including neglected oncological processes, the presence of severe concomitant pathologies, late hospitalization, instability and uncompensated indicators of the patient's homeostasis, leads to a high risk of developing various postoperative complications and postoperative mortality. Therefore, the use of endoscopic methods of restoring the patency of the large intestine with the help of stents is becoming widely used. Endoscopic colonic stenting is one of the modern, promising methods of treatment for patients with intestinal obstruction. It is characterized by minimal invasiveness, and a significantly lower frequency of post-surgery complications and mortality. According to the recommendations of the European Society of Gastrointestinal Endoscopy, colonic stenting is used for patients with clinical symptoms and radiological signs of tumor obstruction of the colon without signs of perforation; installation of a stent for compensation of homeostasis systems, for comprehensive preoperative preparation (if necessary, with the use of chemotherapy or X-ray therapy). The article presents the results of our own clinical observation of an endoscopic colonic stenting case as a method of symptomatic treatment of colonic obstruction in a patient with colorectal cancer and severe concomitant diseases. We analyzed the peculiarities of using colonic stents and determined the importance of mastering this method for proctologists and oncoproctologists.