housing security is an integral part of the construction of social security system，which is essentially a public service. Housing security is the protection of the housing rights of low-income groups with housing difficulties，not the protection of housing property rights，nor should it be the protection of some housing property rights. To do a good job in the construction of affordable rental housing，we should also work hard on strict policy boundaries and fine operating procedures. To implement the policy of no speculation in housing，we should also carry out rational thinking and systematic and detailed planning. We should fully and accurately understand the policy of housing non speculation，accurately delimit the boundary of real estate speculation，accurately judge the root causes of real estate speculation，accurately curb real estate speculation and fully understand real estate speculation. Real estate should be an important force to deal with the contraction of domestic demand，slow down the impact of supply and hedge against the weakening of expectations. It is also an important platform to build a new pattern of high-quality development based on domestic circulation and domestic and international double circulation.