With the implementation and promotion of China's "the Belt and Road"initiative,the international community is increasingly concerned about the ecological and environmental impact of the initiative in countries and regions along the routes.Although there are a large number of environmental non-government organizations(ENGOs) in China,in which should have passed China's ecological environment policy and the experience,responsed to the international attention,promoted the international community in the area of ecological environment protection communication and understanding,removed doubts,rallied the hearts and minds of countries and regions along the routes,most of them serve the domestic environmental protection cause,and can play a role in the international level less.Through the comparative analysis of the development experience of international ENGOs and the challenges faced by the internationalization of ENGOs in China,this paper aims to provide suggestions for ENGOs in China to go abroad and play their role in global environmental governance.