Hedging refers to the trading behavior aimed at avoiding price risk. One of the basic functions of electronic trading market is to avoid price risk, and the means to achieve this goal is hedging. Traditional hedging means that producers often sell or buy electronic contracts with the same variety, the same quantity and the opposite direction in the spot market, so as to make up for the losses in another market with the profits in one market and avoid the risk of price fluctuation. Hedgers are the main body of electronic trading market and play a very important role in the normal operation of electronic trading market.