Abstract:Copper slag, rich in many valuable elements, which is a typical secondary resource with development and utilization value. Its clean and high value utilization is an urgent issue to be solved for the sustainable development of the copper industry. With the development of science and technology, the treatment method of copper slag has gradually changed from low value treatment to high value utilization. The characteristics of copper slag are discussed in details, and various process paths and characteristics of resource utilization of copper slag are expounded. The collaborative and complementary process development of physical separation, pyrometric enrichment, wet separation and other methods is still the research hot spots and development trends in this field. The overall utilization of iron, silicon, copper, zinc, and lead valuable components in copper slag, and the high value and clean slag free for copper slag are the inevitable choices to solve the problems of copper slag. Finally, the future development direction of non-resource utilization of copper slag is prospected, which provides reference value for sustainable recycling of copper slag.