Crude oil investment, that is, oil investment, crude oil investment: spot investment, futures investment, futures index investment and energy stock investment; It mainly supports two ways of spot investment and futures investment. Investment mode: spot investment and futures investment. Spot investment T+0 trading system, you can repeatedly do more hands every day. It has leverage effect to improve the utilization rate of investors' funds; With a two-way trading mechanism to buy up and buy down, no matter whether the price rises or falls, there are investment opportunities. The biggest advantage is that the risk is smaller, the market is easy to grasp, and the profit opportunity is more, which is suitable for investors who pursue a steady style. Spot oil trading: refers to the buyer and seller out of the demand for physical oil and the purpose of selling physical oil, according to the agreed payment method and delivery method, to take immediate or in a short period of time for physical oil settlement of a trading method. In spot trading, with the transfer of commodity ownership, the exchange and circulation of oil entities are completed at the same time. Futures investment is a trading method relative to spot trading, developed on the basis of spot trading. An organized way of trading by buying and selling standardized futures contracts on a futures exchange. The object of futures trading is not the commodity (subject matter) itself, but the standardized contract of the commodity (subject matter), that is, the standardized forward contract. This investment method can also be used by ordinary investors, mainly to do direct futures trading. The advantage is that it can be leveraged, can be long or short, flexible operation, and good liquidity. The disadvantage is that the risk is huge, the amount of capital is used more, and investors need to have enough experience. So the way futures are invested is on the decline. Investment in six types of petroleum products: refined oil, fuel oil, lubricating oil, crude oil, gas, comprehensive chemical products. The main types of oil available for investment are refined oil. Refined oil refers to gasoline, kerosene, diesel oil and other alternative fuels that meet the national product quality standards and have the same use as ethanol gasoline and biodiesel. According to the manufacturing process, it can be divided into straight-run gasoline, thermal cracking gasoline, catalytic cracking gasoline, reforming gasoline, coking gasoline, composite gasoline, hydrocracking gasoline, cracked gasoline and alkylated gasoline, synthetic gasoline and so on. According to the use can be divided into aviation gasoline, automotive gasoline, solvent gasoline and other three categories.