Abstract: This paper explains the growth of farmers' income in China from the perspective of rural land property rights expansion and conducts a variable inspection by employing the county-level panel data from 2004 to 2017 and the DID method. The results show that rural land property rights expansion is an important reason for the average per capita income growth in rural China. From the perspective of the affecting mechanism, this policy promotes farmers' income growth through non-agricultural transferring of the rural labor force, increasing the feed-back mechanism and the credit facility transmission mechanismwith investment, etc.. From the perspective of heterogeneity, the income increasing effect of this policy is relatively weaker in the underdeveloped areas, which implies that we should improve the economic environment and institutional quality according to the regional differences, on which the improvement of the targeted effective implementation of the policy is depended. The findings of this paper are helpful to summarize the institutional experience of the residences'income growth in rural China, and provide important references for the sustainable improvement of rural residents' income and exploring new growth points.

Key words: landproperty rights expansion, income growth, confirmation of land right