Recently the change of family environment has influence on the configuration of the family welfare unit at the social welfare center. And so the relation of space and function required its change. The essential role of social welfare center is family welfare, domiciliary and community care, community organization, social education etc. In this sence, this study explored the condition of space planning for the family welfare at the social welfare center. For this study, it was reviewed the role and function, the service program, the degree of unit activity importance, space satisfaction, the usage characteristics. In sum, the useful data were collected, analyzed, and synthesized through case study and could be used in the guidelines as reference information for the spatial organization of the family welfare unit at the social welfare centers in small town.