The results of the endoscopies carried out from 1973 to 1983 at our hospital are reported (6947 gastroscopies, 2189 colonoscopies). Gastroscopic aftercare following gastric resection for benign gastric disorders and after partial gastrectomy for carcinoma is discussed. The results of the use of laser in emergency endoscopies are presented (731 patients with 827 bleedings lesions). By implementation of laser there was a remarkable reduction in the rate of immediate and early operation and in early mortality in cases of gastrointestinal bleeding. The results of 244 endoscopic polypectomies are reported.