With the deepening of economic globalization and political multi-polarization, the problems such as economic turmoil, global warming, infectious disease outbreak, illegal trade prevailing and territorial disputes are becoming increasingly fierce and become the focus of the regional and global concern. Therefore, the problem of the provision of international public goods has been widely concerned, and it has become urgent in the world today. On the basis of international public goods provision, the effective and long-term funding is the core to solve the problem. In this one, the international tax as a major source of international public goods provision, which should be analyzed the existing difficulties, put forward the corresponding measures, has important significance for the mitigation of international public goods provision pressure, and improving the global economic, political and social conditions.