The policy of infant care service is related to the vital interests of every child and family,and affects the national population strategic planning and the development of the whole society.1949-2021,China s of infant care service policy has changed from diversified welfare to inclusive priority,from emphasizing the development of nurseries to the comprehensive improvement of families,communities and society,from the use of a single policy tool to multiple policy tools to promote the development context of synergy.But at the same time,there are some problems such as unreasonable value structur...