The purpose of this study is to find the characteristics of bathroom through the latest apartment model house, and to investigate the types of design element in bathroom space, that is equipment material, measurement, and shape. Also, this study compare the changes in bathroom investigated through the theoretical study and understand the general design characteristics of modern bathroom. Design characteristics of bathrooms of 19 apartment model houses that are 30pyong to 60pyong model in the south area of the Han river and new city area, Boon-dang were analyzed based on previous studies. The result of the study is as follows. 1) The most remarkable change of bathroom can be found in equipment. The type of bathroom equipment, materials, forms, size have been changing diversely. 2) In addition, the function of bathroom has been changing. Bathroom is not only sanitary place but also place for rest, health-care, beauty-care, storage, and it is possible to add health improving function. 3) On the other hand, $ulcorner$washstand ＋ toilet ＋ shower booth$lrcorner$ type is common for family-bathroom, and separate type of $ulcorner$washstand ＋ toilet ＋ bathtub ＋ shower booth ＋ Powder room ＋ dress room$lrcorner$type is most common for master-bathroom.