Fx in the financial circle means foreign exchange market, which is generally compared to the largest financial trading market in the world. Participants in the foreign exchange market: the foreign exchange market refers to the trading market where banks, proprietary traders, large multinational enterprises and other financial institutions participate and buy and sell various currencies through intermediaries or telecommunications systems. It can be tangible, such as foreign exchange transactions, or intangible, such as inter-bank foreign exchange transactions through telecommunications systems. Foreign exchange banks-foreign exchange banks are the primary participants in the foreign exchange market, including professional foreign exchange banks and some large commercial banks designated by the central bank without foreign exchange trading departments.

Central Bank-The central bank is the manager or supervisor of the foreign exchange market. Foreign exchange investment consulting company-foreign exchange investment consulting company exists among the central bank, foreign exchange banks and investors, and is closely related to banks and investors. Investors-investors companies or individuals that conduct foreign exchange transactions in foreign exchange banks and foreign exchange dealers are investors in the foreign exchange market.