Abstract: Kazakhstan is rich in copper resources, with reserves of about 40 million tons, accounting for about 6% of the world. With high output and low cost, Kazakhstan’s copper output ranks among the top ten in the world. The exploration budgets for copper in Kazakhstan is much higher than other minerals, and shows an increasing trend year by year. The main types of copper deposits in Kazakhstan are porphyry, sand shale and skarn type. Copper sector plays an important role in the development of Kazakhstan’s national economy. Most of the big developed copper deposits are mainly controlled by Kazakhmys PLC and KAZ Minerals PLC. Other main countries engaged in exploration and development copper mines in Kazakhstan are Russia, the United Kingdom, United States, China, among which Russia, the United Kingdom and Germany have the highest share of resources, China is in the middle. This paper systematically summarized the resource endowment and development status of Kazakhstan's copper sector, analyzed the necessity of China’s investment and cooperation in Kazakhstan’s copper sector and the opportunities and risks of Chinese enterprises’ investment in Kazakhstan, investment suggestions were given.