You can fry crude oil because it is legal to fry spot crude oil. Whether an industry has a prospect depends not only on itself, but also on whether it conforms to the law of social development and national policy orientation. What kind of industry conforms to the law of social development and national policy orientation? This should start with the current survival foundation of mankind and the international environment. We know that it is an energy society now. What is the most important thing in energy? /kloc-there are two in the 0/39th century. The most important thing in the first half century is coal, and the most important thing in the second half century is crude oil, and at present, no one can completely replace crude oil in the foreseeable future. Crude oil is non-renewable, and the more you use it, the less you use it. From the general trend, it is cherished and robbed by all countries in the world. Therefore, the development and revival of China cannot be separated from the speculation of crude oil, and the increasing investment demand of the people is also an urgent problem to be solved.