Human well-being is directly related to his health. Preoperative training of patients and selection of the optimal stoma location are probably the most important factors influencing the postoperative quality of life of stoma patients. Study aim - to determine the impact of preoperative training on the quality of life of stoma patients. Study methods. The analysis of the scientific literature and quantitative research was used for the survey, which was carried out by a written questionnaire. The patients interviewed were both inpatient and patients arriving for outpatient consultation. The survey was conducted in June-November, 2020, with the oral consent of the respondents. 150 questionnaires were distributed, 144 questionnaires were return...