The study of Rehabilitation Outpatient Process Re-design is a Developmental Research methodology. Many developed concepts and theories are applied to solve the problem such as Process Re-design, Lean, Value Stream, Industrial Engineering, Process Analysis, Cause and Effect Diagram. The purposes of this study are to fine the problems of rehabilitation service process , to develop into new effective service process and to reduce the waiting time. The qualitative data were obtained by using interview some patients and staffs brainstorming conference. The quantitative data such as waiting time and walking distance along the process were recorded and analyzed by Independent samples T-test