The difference between deposit reserve ratio and foreign exchange deposit reserve ratio is that one is for local currency and the other is for foreign exchange. Deposit reserve refers to the deposits deposited by financial institutions in the central bank, which is used to ensure the needs of customers to withdraw deposits and settle funds. The ratio of the deposit reserve required by the central bank to its total deposit is the deposit reserve ratio. Our commercial banks have a large amount of foreign exchange deposits, but commercial banks need to hand over a certain proportion to the central bank without receiving a foreign exchange deposit. This ratio is the foreign exchange reserve ratio.