Abstract:With the comprehensive promotion of the "The Belt and Road" Intiative and the "Going Global" strategy of Chinese enterprises,the security of overseas energy and power investment projects is challenged by various risk factors.Based on the assumption that the behavior subject has the motivation fairness preference,this paper defines the "Belt and Road" national government and investment enterprise as the principal-agent relationship,establishes the game model of investment project security investment under different policy risks and empirically testes the best decision-making mechanism for safety investment in improving project safety and security level.