国有资产运营主体是国家授权经营国有资产的经济实体。从委托代理关系看，国家委托国有资产运营主体从事投资、控股、参股等国有产权的经营，两者是委托人和代理人的关系；国有资产运营主体把国有资产投资于企业从事商品生产经营，对企业以出资者身份行使国有资产所有者权利， The main body of state-owned assets is the state authorized to operate state-owned assets of economic entities. From the perspective of principal-agent relationship, the state entrusts the main body of state-owned assets to engage in the operation of state-owned property rights such as investment, holding and equity participation. Both are the relationship between the principal and the agent. The main body of state assets operation invests state-owned assets in enterprises to engage in commodity production and management, To enterprises as investors who exercise the rights of owners of state-owned assets,