The purpose of this study was to analyze the problems of the existing interior architecture connection qualification and propose the desirable direction of development. To do this, this study suggested basic materials for the connection between the qualification for interior architecture and practical business, and for an efficient qualification. For methods, first, this study analyzed the flow and the ratio of successful applicants of the qualification of interior architecture in order to consider problems. Secondly, this study grasped the composition of examination. Thirdly, this study examined the changes of the questions in standards. Fourth, this study investigated overseas examples. In addition, this study conducted a questionnaire for professionals engaging in practical business in order to contribute for establishing the desirable frame of qualification of interior architecture through the analysis and comparison of the results.