Soichiro n4A TS 醐MOT () and Masαshi ARAI This study aims to make an evaluations of plan a 囃 significance in the Closed zone b γ researching on the lifesty 皇 e of children ' s bedroom in dwelling units , The lifestyle is described from relation between the position of chi 韮 dren ' s behavior. Some conclusions are as fbllows . 1) Alif ¢ sty 且 e ofchildren ' sbedroom is affected by ch韮dren ' s age, sleeping − sty注 e and position of bedroom in dwelling units , 2) Achildren ' s spheres in dwelling units which is def 玉 ned by positions Qf children ' s behavior are affヒ cIed by number of rooms in the Closed zone and relations between ' the Closed zene and Open zone . 3)The 匸elation between Open zone and Closed zone is considerable at planning flexible with gradual change of lifbstyle , Keywords : Closed zene , O ρen . zone , qhildren ' s Bedroom , . 4vatuation of Plan , "fe− stage