This study is focused on the characteristics of a color plan for wayfinding effect of a interior hospital. How human beings react to color and psychical cure on a psychological and a physiological basis. This study is based upon research pertaining to the relationship between human beings and their environment, interior hospital where color has proved to be a key element : the creation of optimum conditions that correspond to the function of an architectural space and safeguard the mental and physical well-being of the user. As a result, the characteristics of a color plan for wayfinding effect of a interior hospital that would have impact and perhaps be aesthetically pleasing when the proposal is presented. The once empty corridor on the presentation board abounds in pattern, actvity, and excessive visual information. We could eliminate those colors that patients reject due to their specific ailment as for example yellow that is rejected by patients suffering from liver discorders.