Abstract: Since the beginning of 2017, the world economy has been fully recovering and the IMF and other institutions have increased their expectations of GDP growth amid the robust return of manufacturing industries in developed countries and the stable development of emerging economies.World mineral exploration budget picked up after 4 year's decline, and significant progress has been made in the exploration and development of natural gas hydrates, lithium, copper and other minerals.Under the dual effects of increased consumption and tight supply, the internationalprices of minerals have risen and the exports of important mineral resource countries such as Brazil and Chile have rebounded.Investor confidence in mining investment increased with mining company's profit and market value rising.Mining industry has been generally valued by more and more countries, the political risks of mining companies operating are also rising, and global mining industry also faces the risk of cyclical economic fluctuations and policy constraints.