Starting from the theory and policy basis of public employment services，this report analyzes the implementation status and main achievements of the “maximum run once” reform in the field of human social security in Zhejiang Province，and believes that “running at most once” has already shaken people’s social reform. Based on the analysis of the typical experience of “maximum running” public employment services in Hangzhou and Jinhua，the focus is on the integration status of the “maximum run once” project of provincial public employment services，facing difficult problems and optimization directions，and then proposing exploration and promotion. Zhejiang “runs at most once” The deep development of public employment service construction requires seven aspects of countermeasures such as innovative service content methods，in-depth exploration of data values，and highlighting key tasks of reform.