This topic examines the provisions of China's futures exchange on the position limit system. In the specific implementation, China has the following provisions: (1) combine the position restriction of members with the position restriction of customers to control the market risk; Each exchange implements the examination and approval system for hedging trading positions, and the positions are not restricted, while in China Financial Futures Exchange, hedging and arbitrage trading positions are not restricted; When the same customer opens positions in different futures company members, the total position of a contract shall not exceed the position limit of the customer; Members and customers whose positions reach or exceed the position limit shall not open positions in the same direction.