Buying hedging of foreign exchange futures, also known as long hedging of foreign exchange futures, refers to short positions in the spot market and traders buying foreign exchange futures contracts in the futures market in order to prevent the risks brought by exchange rate rise. The situations suitable for hedging foreign exchange futures mainly include: (1) short-term foreign exchange debtors are worried about future currency appreciation. (2) In international trade, importers are worried about the losses caused by the rising exchange rate when paying foreign exchange.