Abstract
This research described the process of design activity multilaterally and considered about the validity and problem of participatory design in the project which creats a new life by the participatory design method. The design method to use by this study based on ”CoDesigning” thinking. The feature of this study are ”Actual sharing ” and ”Co-Desing of things” by designer and design partner. By that design activity, I considered about significance and effect of participatory design method based on this experimental result. And I considered about interaction by co-creation.