Futures mainly include basic commodities and special commodities necessary for human production and life activities, which can be basically divided into energy categories, such as coal, oil, natural gas, etc. Metals include precious metals such as gold, silver and platinum, bulk metals such as iron, copper and aluminum, and rare small metals such as nickel, cobalt and lithium; Chemical industry is mainly basic chemical raw materials, such as styrene, polyvinyl chloride, vinyl acetate, chemical fiber, etc. Agricultural products, including grain such as corn, wheat and soybeans, non-food such as cotton. Futures came into being in the western financial system. To some extent, it was used by Europe and America to plunder the wealth of developing countries, control the global human production activities, seize the surplus value in advance, and achieve the goal of getting something for nothing.