Abstract: Coal gangue is the largest amount of industrial solid waste in China. It caused serious damage to the ecological environment and waste resources. Therefore, it is of great significance to realize the resource utilization of coal gangue, protecting the environment and realizing the sustainable development of society. This paper summarizes the utilization of coal gangue in the preparation of chemical products such as alumina, aluminum chloride and polyaluminum chloride; New materials such as bricks, cement raw materials, ceramic materials, molecular sieves, ultra-fine kaolin, etc., can also be used for comprehensive utilization of roads, reclaimed fields, power generation, etc. The high-value utilization of coal gangue in the typical mining area-Jungeer mining area is analyzed. The alumina is extracted by one-step acid dissolution method, and the valuable elements such as gallium, germanium and lithium are extracted synergistically. The high-value utilization of coal gangue in typical mining areas is given. In this way, not only can the high value-added products be produced to bring economic benefits, but also the coal gangue can be turned into waste and harmed.