At present，the real estate market is developing rapidly，the housing prices continue to grow，and the real estate bubble is more serious，due to the increasing demand for real estate and the increasing investment of developers in the real estate industry. Land policy which is an important means of macro-control of the real estate industry development，is the current and future a period of time the focus of real market regulation and control to ensure the continuous and stable development of market economy，through analysing the mechanism of land policy influence the real estate market，sorting out the possible impact of various land policies on the real estate market，formulating reasonably land policies，and ensuring the long-term development of the real estate industry.