Tabriz University of Medical Sciences Depiction of Health 2008-9058 12 3 2021 09 23 Concepts and Applications of Action Research in Improving the Performance of the Health System: A Guide for Managers 273 285 10.34172/doh.2021.27 EN Saber Azami Aghdash https://orcid.org/0000-0003-1244-359X Ahmad Mousavi https://orcid.org/0000-0003-1134-1022 Salar Mohammaddokht https://orcid.org/0000-0003-4272-2880 Hojatolah Gharaee https://orcid.org/0000-0002-9354-4175 Journal Article 10.34172/doh.2021.27 2021 01 24 2021 03 05 Background and Objectives Action research has become popular in health system research and problem solving. The aim of this study was to introduce the concepts and applications of action research in health system. Material and Methods This study reviewed the related documents and literatures in Persian and English Language through a comprehensive search in web-based resources. Results This study compares the Simmons model and other methods and provides a successful model for the use of pilot research in the health system. Conclusion This study recommends utilization of action research in solving health system problems in practice and also for learning in the field.