Bank of China set up foreign exchange transaction center in 1980, the person who holds foreign currency could sell the foreign currency to the persons who needed in the swap center.

RMB was demote from 1 . 50 exchanges 1 U.S. dollar in 1981  to 2 . 30 exchanges 1 dollar in 1984, and before 1993 , it is demote 5 . 8 exchanges 1 dollar.

China adopted the so-called floating exchange rate system based on market of the conduct  in 1994 , making the exchange rate of RMB 8. 70 exchanges 1 dollar accord with the foreign currency markets adjustment .

On December 1 , 1996, China implemented the frequently account exchanged ,the exchange rate of RMB appreciated 8 . 3 exchanges 1 dollar slightly . After this, the exchange rate of RMB is fixed in 8. 28 exchanges 1 U.S. dollar, the range of fluctuating is very little.