: Total quality management (TQM) plays a major role in quality health services improvement. The aims of the study are to identify the concepts of total quality management in health institutions to know the nature of the relationship between the application of TQM and improving the quality of health services in Sana'a Governorate. Method: This applied research is a descriptive cross-sectional study in which the TQM of 13 affiliated Sana'a Governorate hospitals during "2017-2020", were evaluated based on self-administered questionnaires. Data were collected by questionnaires including...