The care needs of infants under 3 years old have become a livelihood project. Currently exist in infants and children under the age of 3 care service development in our country is insufficient and not widely implemented, based on the theory of multiple origin perspective flows from problems, policies and political flow analysis, found the window of the infants and children under the age of 3 care policies in China have conditions include: infants and young children under the age of 3 care problem need to solve the problem of flow has; The government's ruling philosophy of "children have children" and the political flow supported by the national mood have been put on the agenda; What has not yet been achieved is that the policy plan is not mature enough. In this paper, through the existing on infants and children under the age of 3 care service policy documents, found that at present our country of the defects in the implementation plan: policy guarantee mechanism still is not perfected, insufficient government propaganda, service content, etc, to open the window of the "policy" is put forward to strengthen the government's core concept, promote multi-party participation and improve the policy Suggestions.