On the basis of analyzing the risk formation mechanism of the P2P network lending platform, with 63P2P network lending platforms and 32 investors as samples, this paper uses the AHP to build the risk evaluation index system of P2P network lending platform and evaluate the various risk factors confronted by the platform. The research indicates that the possibility of P2P network lending platform risk occurrence is credit risk, technology risk, internal management risk, market risk, institutional cooperation risk, disorderly competition risk, reputation risk and legal risk in sequence.