At present，economic development is facing the triple pressure of demand contraction，supply shock and expected weakening. Central economic work meeting was held by Central Committee in December 2021. The meeting points out that economic work should be stable and strive for progress in the midst of stability in 2022. The 11th meeting of the Central Financial and Economic Committee was held on April 26th，2022 to study the issue of strengthening infrastructure construction in an all-round way. It is necessary to coordinate development and security，basing on long-term，moderately advanced，scientific planning，multi-wheel drive and efficiency. On May 25th，2022，the State Council held a national teleconference on stabilizing the overall economic market. The overall goal of economic work is to protect the main body of the market，which ensures employment and livelihood of the people. The government will perfect the subsequent policies with 33 policies to stabilize the economy in six areas. In terms of finance，the government will increase efforts to activate existing funds，accelerate the issuance and use of special bonds of local governments，expand the scope of support. The government will also give priority to new infrastructure，new energy projects，etc. The above series of positive policies not only send positive signals，but also stabilize market confidence and boost confidence in economic growth. The government will strengthen infrastructure and public services in an all-round way and provide opportunities for social capital to participate in the construction of new infrastructure. PPP can tap potential opportunities in water conservancy construction，rural revitalization，ecological environment，nursing homes daycare，transportation and logistics and other sectors. Making good use of infrastructure REITs will help solve the financing problems of PPP projects，and infrastructure REITs also put forward higher requirements for the operation management，exit mechanism and other links of PPP，thus forcing the standardization and marketization of PPP.