For assessment of objectives of quality, its maintenance, control and monitoring a number of sophisti- cated methods incl. statistical ones were elaborated and are used. The author describes some of these tools which belong to the basic equipment of modern management. The mentioned procedures are explained on actual examples incl. the transfusion service. The majority of the described tools has a wide application in the whole theory and practice of management, not only quality control. „The basis of high standard of quality management is to establish the quality aims and quality policy." The author mentions the advantages of team work, describes briefly Deming’s cycle. The basic tool for systematic and independent investigation of the achieved quality level are audits. The author describes seven simple tools for improvement of quality: 1. developmental diagram, 2. recorders, 3. histogram, 4. Ishikawa diagram, 5. Paret’s graph, 6. point (correlation) diagram and 7. regulation diagram (statistical regulation of the process).

        Key words: quality, transfusion services, quality tools