This study is on the interior design standards which is based on the user participicatiov. The design standards in office planning is relied on user participication with practical method and suitable survey item. On space programming and zonning phase, work relationship, visiting rate and characteristics of work can be applied. The rate to take desk-occupancy, information processing grade, the needs of side work table, visitor table and surplus storage space can help to get workstation unit type. The layout of units can be applied on the grade of communication and work-concetration.