The housing issue is not only a major livelihood issue but also a major political issue.This paper systematically re-views the theory,logic,evolution history,main support and operation mechanism of Singapore's HDB system,aiming to provide experience for China's housing system reform.It is concluded that Singapore's HDB system has important implications for the construction and management of affordable housing in China:first,to build a multi-level real estate market;second,to build a di-versified financing channel;Third,explore the establishment of policy-based housing financial institutions;Fourth,accelerate the expansion of affordable housing in key areas;Fifth,we will improve the access and exit mechanisms for affordable housing.