China’s long-term nursing insurance system pilot is a complex and systematic project.There are network relationships of interaction and coordination among pilot areas,and its network characteristics and evolution order have important reference significance for optimizing the pilot path and its overall construction.On the basis of sorting out the policy texts issued by pilot cities,this study uses social network analysis method to quantitatively analyze the policy network connected by 15 pilot cities,and the research results show that with the time going,the overall network’s density formed by taking policy tool as the media has gradually strengthened,but the network cohesion presents“weak-strong-weak”evolution trend;the policy implementation capabilities of the pilot cities are significantly polarized,and a“core-periphery”network power structure is formed.So,respecting the order and law of system evolution,building a policy network collaborative governance system,strengthening normative policy tool construction,and creating the construction path of multi-level cooperation between government and market are the inevitable choice for the polarization of the long-term nursing insurance system from“point”to“side”.