The aim of this research was a) to describe the improvement process that allows for the creation of a caring and healing environment that brings changes in nurses, and b) to construct model to create a caring and healing environment for nurses. Participatory action research was conducted in 6 clinical settings of East Japan. The caring and healing environment for nurses was created by redefining the existing problem, disclosing the hidden problems, developing improvement measures, such as opportunity to obtain a new point of view, sharing the experience and thoughts with coworkers, and appraising care.