| Summary: | The risk of metro PPP project has the characteristics of complexity and diversity, and the introduction of social capital in the project further aggravates the complexity of metro PPP project. Based on the particularity of metro PPP projects, this paper identifies 27 indicators suitable for the risk research of such projects; the internal relationship between risk indicators is established by using Decision Making Trial and Evaluation Laboratory (DEMATEL), the weight of risk indicators is determined by using analytic network process (ANP), and a risk research model based on ANP is proposed; the risk of metro PPP project is realized according to typical case. The results show that policy is the indicator with both the highest centrality and influence, while geological conditions is the indicator with the highest causality, and the most easily affected factor is construction cost; construction cost and project overdue are the most important indicators among the 27 indicators.
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