At the Department of Care Quality Management, we explore new research methodologies/innovations of research for care quality assurance and continuous quality improvement system. Examples of research projects are: Development of quality indicators for long-term care of elderly and benchmarking, care quality improvement activities and its evaluations based on case study conferences, delineating home visit nursing practice, the innovative use of functional assessment of the elderly in the integrated community care system. We use action research approach for care quality assurance/improvement with clinicians.