The principle of lean management is to eliminate waste and how to change flexible procedures for effective improvement to achieve standards by involving employees. Hospital Accreditation is an acknowledgment given by the government to hospital management, because it has met the standards set. Efforts are needed to achieve these standards, so that the implementation is easy and fun. It needs to keep its continuity so that it becomes a work culture. The purpose of study was to analyze the use of lean management in the implementation of hospital accreditation standards. Method of this research is a qualitative study. It is a participatory action research design in a hospital. The results of the study, the use of lean management can improve the implementation of accreditation in the Management of Communication and Education standard, specifically on proof of verification to ensure patients and families can understand the educational material provided by using visual management, by putting signs to facilitate the unit to solve problems easily and eventually become a work culture at Muhammadiyah Hospital in Yogyakarta