The meaning of purchasing and storage is to recover some, and some of the futures spot market will not be sold. For example: National procurement and storage means that the country purchases some commodities in the spot market and stores them itself. Then, inevitably, there will be fewer corresponding commodities circulating in the spot market. Generally speaking, the price in the futures market will rise a bit, and it does not rule out that the market supply far exceeds the demand. The purchase and storage will not have an impact on the market, so the price will not change much.