The foreign exchange market is mainly composed of the following parts: foreign exchange banks. The foreign exchange bank is not only the main intermediary between the supply and demand of foreign exchange, but also the creator of the market (the foreign exchange bank not only facilitates the transactions between the supply and demand sides, but also intervenes as one side of the transaction when the buyers and sellers are unbalanced); Foreign exchange broker; Central bank. The central bank is not only an important member of the foreign exchange market, but also the actual manipulator of the foreign exchange market; The last demander and supplier of foreign exchange.