Objective: To analyse the effectiveness of the quality management system (QMS) based on the amount of income for improving the quality of care in medical institutions Methods: Publications on patient safety and quality management system research were identified and analysed based on the library collection resources of the Mari State University, Yoshkar-Ola, Russia and research databases. A total of 727 results were retrieved, of which the authors preselected 121 based on keywords used; after analysing significant publications, 46 sources were finally selected. Results: The quality of medical care includes the internal audit of the quality and patient safety in hospital care. In turn, the internal audit of quality and patient safety can be limited to a 'simplified model' of the quality management system. n adequately compiled, an up-to-date, applicable checklist is intended for use in the audit process. The quality of audits, the designing of effective audit procedures, and the correct completion of checklists depend on the skills and competencies of the auditor. Integrating lean manufacturing into an existing quality management system may increase the cost of 'maintenance' of these systems. However, in the long term, the economic benefit will be more evident due to continuous quality improvement, cost reduction and growth of organisational maturity. The quality management system can be used as a method for assessing the effectiveness of the management process of a medical organisation at different levels: middle, auxiliary, and managerial. In this case, the quality management system becomes a superstructure over the management system based on hierarchical groups. Conclusion: A quality management system is a complex organisational model of a medical organisation that allows you to identify and improve processes, identify inconsistencies and solve them by considering the 'transparency' and 'understanding' of processes. Keywords: Quality management system, medical organisation, process management model, the safety of medical activities, lean manufacturing, checklist, audit.

Objective: To determine the strengths and weaknesses, opportunities and threats for the successful functioning of the Perinatal Center of the Republic of Mari El in the context of the development, implementation and maintenance of the quality management system Methods: An anonymous survey was conducted among the staff of a medical organization in the amount of 59 people (the sample size was determined by the method of K.A. Otdelnova, p<0.05). The questionnaire included questions to assess the opinion of employees on possible strengths and weaknesses, as well as opportunities and threats for the institution. In addition to the suggested answers, the respondents could offer their own solutions to the problems. The results were processed using descriptive statistics. Results: A SWOT analysis matrix was compiled, including strengths (orders of care, clinical recommendations (64.4%; CI 64.0-64.8), development and use of standard operating procedures, algorithms (59.3%; CI 58.9-59.8), work in medical and laboratory systems (50.8%; CI 50.4-51.3), quality control system, medical commission (42.4%; CI 41.7-43.1)) and weaknesses (weak material base (49.2%; CI 48.5-49.8), weak medical and laboratory systems (59.3%; CI 58.6-60.0 and 45.8%; CI 44.8-46.7, respectively)), opportunities (digital technologies (49.2%; CI 48.3-50.0), management commitment (62.7%; CI 62.5-62.9), employee training in quality control (50.8%; CI 50.5-51.2), request for quality and safety from patients (50.8%; CI 50.3-51.4), adherence to clinical guidelines (52.5%; CI 52.0-53.1)) and threats (medical system not functioning properly (67.8%; CI 67.1-68.5), regulatory framework for quality control (47.5%; CI 46.7-48.3) and races consumables (42.4%; CI 41.7-43.1)). Conclusion: Threats (3 of medium significance) and opportunities (1 of medium significance, 4 of high significance), as well as weaknesses (3 of medium significance) and strengths (2 of high significance) for the successful functioning of a medical organization, which were taken into account in the standard "Guidelines for quality” and activity planning. Keywords: Quality management system, medical organization, process management model, medical activity safety, SWOT-analysis.