FIELD : medicine.SUBSTANCE : invention relates to medicine, methods for stopping bleeding from gastroduodenal ulcers in gastric ulcer and duodenum ulcer. Perform injection compression infiltration of the periulcerous zone. Previously, PRP (platelet autoplasma) is obtained from the patient' s blood and injected in an amount of 2 ml endoscopically into the submucosal layer of the periulcerous zone in a volume of 2 ml.EFFECT : method provides stable hemostasis and significantly reduces the number of relapses, which helps to improve the quality of life of patients and reduce treatment costs.1 cl, 2 ex