Except Family, the long-term care facility is an important living space for the elderly in old days. However, at present the arrangement of the elderly is uneven. Therefore, many of them can't supply comfortable and safe bedroom for the elderly according to the physical and psychological conditions and the needs of the elderly. Thus, this research by the view of ADL (Activity of Daily Living), and focused on mutual-reaction between the sanitary type in bedroom and using behavior, and surveyed the need of user behavior need that the elderly and caregiver toward sanitary in bedroom. We occurred a case-study of three nursing homes in the south of Taiwan by some research methods like actual observation and ”Time-Study” method, and discussed the items of the spatial of sanitary in bedroom, the design and the user behavior.