According to the different ways of establishing carbon funds, the goals that carbon funds want to achieve are also different. The carbon funds set up by the government are basically the same regardless of their operation methods and objectives. The main purpose is to narrow the gap between Kyoto Protocol targets and China's potential emission reduction by purchasing CDM projects. At the same time, these carbon funds will also help enterprises and the public sector to reduce carbon dioxide emissions, improve energy efficiency and strengthen carbon management, and invest in research and development of low-carbon technologies. The carbon funds established and managed by the World Bank are branded with the policies of the World Bank. These carbon funds should not only achieve their own goals, but also cooperate with the World Bank to achieve their strategic goals. It is required to promote high-quality emission reduction, contribute to sustainable development, and reduce the cost caused by the Kyoto Protocol. Promote the transfer of knowledge, provide opportunities for participants to learn by doing, so that participants can understand the policies, regulations and business operation modes needed for learning and development under the framework of clean development mechanism and joint implementation. The model of promoting state-owned and private cooperation explains how the world bank's state-owned and private cooperation model makes resource allocation more efficient through market mechanism. It is also necessary to ensure that other interests between carbon fund participants and the suzerain country are balanced with the benefits brought by emission reduction projects. Carbon funds invested by enterprises mainly earn profits by purchasing CDM projects and reselling them.