Assisted living means to undergo drastic changes in life. Most significant is the change from a familiar domestic environment to a care based situation that includes incremental levels of medical support, often in spaces that are modeled after hospitals. The core of this thesis is grounded in the believe that an architectural familiarity of space should be retained, whereas the overall architecture should be able to silently absorb the necessities of medical support. As a place of habitat, the constellation of rooms proposes for an individual to quickly develop a new community that analogous to the typical domestic communities. / Master of Architecture / The population of the elderly is very large in today's society, which results in urgent needs of assisted living institutions. But some design of assisted living institutions tend to be similar to hospitals, which can not provide comfortable living environment for the elderly. Therefore, the thesis focus to find a possible way for the assisted living institution design to meet both the medical needs and the living needs of the elderly. The main idea is to build a small community for the elderly where they can have their daily life as usual and to provide necessary medical care which will be separated from the living part.