Introduction: Accreditation of educational institutions and educational therapeutic centers as an important step in the implementation of the” development and innovation of medical education plan “ in recent years has been carried out and its pathology is an important necessity to achieve its goals, i. e. guaranteeing and improving the quality of education. The purpose of this study is to determine pathology of accreditation of institutions and educational centers in Guilan University of Medical Sciences and present suitable model. Methods: This is a qualitative research based on grounded theory method and emergent strategy. Using Purposive sampling and semi-structured deep interviews with 30 people that involved in educational accreditation of educational institutions and educational therapeutic centers of Guilan University of Medical Sciences, its executive damages was identified. Then, a prescriptive model based on eliminating of injuries was designed. Results: Based on results, three major category including "university Cultural context damage", "university structure damage" and accreditation pattern damages" were identified and a prescriptive pattern was designed. Conclusion: Regarding the introduction of a new executive model, it is possible to improve accreditation process and achieve accreditation goals by creating a suitable cultural platform for accepting transnational accreditation goals and establishing a suitable university structure for proper accreditation and eliminating the operational imperfections of the plan.