Public rental housing is a rented affordable housing, so what it achieves is "housing to live" instead of "home ownership" in the sense of property rights. It is a good solution to the current housing shortage in my country. It is also in line with my country's "Twelfth Five-Year Plan" outline for housing housing goals. my country’s urbanization is still developing, and the regulation of high real estate prices will take time. Therefore, the housing shortage will be a long-standing problem at present, and guaranteeing "housing and housing" is a basic goal that needs to be solved urgently. The rental security method of public rental housing can effectively achieve the housing security goal of "housing to live".