We need to know ourselves and grasp ourselves in the fierce futures trading. In order to understand futures and succeed in trading, we need to know as much as possible about the market and futures contracts, but equally important, as traders, we need to know ourselves and grasp ourselves in the fierce futures trading. Because there are huge gains and risks in the futures market, in the instantaneous change of price, emotions such as success, failure, joy, depression, reason, greed, calmness and fear flash on every investor alternately and repeatedly. Therefore, human nature and psychology play an important role in futures market and futures trading, which is the "trading psychology" that has attracted more and more attention from the market in recent years.