The parental leave constructs the bridge of family caring and participation of labor market. However, the application of parental leave leads to the negative effects of labor and economy. Especially, the family of application parental leave will fall into the deficient labor wage which has significant influence in the maintaining economical security. The governmental sectors focus on the subsidy of parental leave which struggles to maintain the economical supports in duration of family parental leave. But the orientation of subsidy in parental leave and the continued institutional supports will become the significant supports when women apply the parental leave for the family caring. The role of state should be putted in the important position in the institutional supporting system. By way of the running of supporting system can give assistance the family economical maintaining and the stable base of reentering labor market. At the end of this article, it brings up the issues regarding limitations of relevant short of back-up system and service and its future possible strategies.