In this report I introduce an activity of the qualification of CAD (Computer Aided Design) in interior design field. This qualification system was managed by Interior CAD Committee and Committee was organized by 4 junior colleges. Kyoritsu Women's Junior College was a member of Committee. 820students of these colleges had been qualified for CAD operation by Committee for 11 years from 2002 to 2012. Through the investigation of this activity, a possibility of CAD education can be pointed out.