Under analysis were results of surgical treatment of 4908 patients with diseases of organs of the abdominal cavity obtained during the period from 1985 till 1990. In 57 patients relaparotomy was caused by early postoperative commissural ileus. Late diagnosis of the main disease, technical and tactical errors during operations and at the early postoperative period were responsible for the appearance of the commissural ileus. Of special significance in getting better results of treatment of patients with this complication are: timely diagnosis (with contrast enterography), obligatory decompression and intubation of the gastrointestinal tract, valuable intensive therapy with the ultraviolet laser intravascular photomodification of blood.