The mortgage right of rural real estate is one of the legal and important property rights of the peasants, which is prohibited to be mortgaged because of rural housing land institute in China. In reality the financial demand of the peasants is huge in rural area, which need more invest into personal consumption, agriculture upgrading. So since 2016 the central government starts the pilot reform of mortgage load of rural real estate, which is beneficial to activate the land asset, increase the financing channel, promoting the strategy of rural revitalization. However, the peasants will take the risk of homeless as result from the uncertainty of public policy, sudden events, loan defaults. So the risk perception will have a great relationship with the participation willingness of the mortgage of rural real estate. Firstly, the paper does the theoretical mode between the risk perception and participation willingness and derives the hypothesis. Secondly the paper will conduct the Binary Logistic analysis by the ca. 600 questionnaires from Shanxi, Henan, Anhui province. Thirdly the paper will discuss the results of the quantitative analysis and suggest the related reform advices.