Because state-owned enterprie's social management functions strip, coexistence of many kinds of ownership, increase of unemployment and laid-off, enlargement of floating population, desalinization on the original management role of household register system and transformation of government's management function, it is very difficult for traditional unit managed mode of population and family planning work to meet the needs of development of the times, it needs reform and innovation badly. Since the 1990s the flourishing development of the urban community has offered the opportunity to improve. Relied on the community, realizing urban population and family planning work pattern double transition from unit management to community service is imperative. The new urban family planning work "community service" generally has four key elements:managed possessions, responsibility of unit, resident's autonomy and community service. Compared with the unit management mode, community service mode has it's own characteristics and advantages.
