The purpose of this study intended to examine the reasons for using or not using an assisted living facility (ALF) founded in an experimental community. In-depth interviews (19 residents, 13 primary caregivers and one social worker) and a focus group of case managers (n=4) were utilized to collect the information. The secondary data concerning of the cost and service delivery were also used. The important findings are as followed: Reasons for using ALF: ALF can satisfy the need for independent living, ALF can provide companionship, ALF can provide access to needed health care, children can take care of the elderly or visit the elderly more conveniently, ALF can provide watchful oversight, ALF can provide barrier-free housing environment, the expenses are affordable etc. Reasons for not using ALF: Sending parents to ALF is traditionally not filial, families cannot afford the expenses, the facility does not meet the housing expectation, nursing homes or life-line equipments are alternatives to ALF. In general, most of them (17 residents) were satisfied with the facility and services. Finally, policy, practice and research implications were discussed.