International reserves (international? Reserve) refers to all internationally accepted liquid assets held by governments to make up the balance of payments deficit, maintain exchange rate stability and meet other emergency payment needs.

Foreign exchange is a payment voucher expressed in foreign currency for international settlement. The International Monetary Fund's interpretation of foreign exchange is that foreign exchange is a creditor's right held by monetary management authorities (central bank, monetary institutions, foreign exchange stabilization fund and Ministry of Finance) in the form of bank deposits, treasury bonds and long-term and short-term government securities. Can be used when the balance of payments is in deficit. Including: foreign currency, foreign currency deposits, foreign currency securities (government bonds, treasury bonds, corporate bonds, stocks, etc.). ) and foreign currency payment vouchers (bills, bank deposit vouchers, postal savings vouchers, etc.). ) Foreign exchange is the settlement currency for purchasing foreign goods. If RMB becomes an international currency in the future, it can be regarded as foreign exchange.