In this research, the researcher performed test products with which horticultural activities can be done within facilities of the aged by proposing a designing process to turn social activities to businesses. In particular, in order to review the usability of the test product in horticultural activities, the researcher carried out a usability test and questionnaire survey upon the staffs within the facilities for the aged. The research also is intended to prepare a ground for basic research data to turn social activities to business which may be seen as the operating system for project and ...