Forward foreign exchange market refers to the place where forward foreign exchange is traded, also known as forward foreign exchange trading market. Forward foreign exchange transaction refers to the foreign exchange transaction in which both parties sign a contract to stipulate the type and amount of the transaction currency, the applicable exchange rate and the delivery time, and the delivery will be made at the agreed time in the future. Its duration is generally 30 days, 60 days, 90 days, 180 days and 1 year, of which 90 days is the most common.