The currency symbol is as follows: 1, RMB: RMB is in yuan, and the secondary currency of RMB is in horns and cents. 1 yuan equals 10 angle, 1 angle equals 10 minute. The symbol of RMB is Yuan, and the initial letter of pinyin is Y plus two horizontal lines, which is "RMB". There is a detailed explanation in the study guide of the Regulations on the Administration of Renminbi in People's Republic of China (PRC) published by China Financial Publishing House in 2000, which states that the unit of Renminbi is Yuan, the unit of secondary currency is jiao and fen, and as the code of payment unit, the symbol of Renminbi is Yuan's pinyin initial letter Y plus two horizontal lines, namely "RMB". 2. Euro: The international three-letter code of the euro (ISO 42 17 standard) is EUR. Its logo is the specially designed euro symbol (_), and two of the ten design schemes were selected through public opinion surveys, and finally submitted to the European Council for selection of the final design. The final winner was designed by a team of four experts. The name of the euro symbol in the Unicode character set is EURO SIGN, and its encoding is U+20AC (decimal 8364). The upgraded version of the traditional Latin character set has the same encoding. Shortly after the euro symbol was put forward, the symbol _ was introduced after HTML4.0 version 4.0, but some browsers could not correctly parse this code. 3. USD: USD (abbreviated as USD; "O 42 17 Currency code: USD; ; Symbol: USA$) is the United States of America, El Salvador, Panama and Ecuador. Legal tender of the Democratic Republic of East Timor, Marshall Islands, Micronesia (Federated States of), Kiribati and Palau. Dollar banknotes in circulation are all versions of banknotes issued since 1929. 4. Pound: The currency code of ISO 42 17 is GBP (British Pound). In addition to Britain, the currencies of British overseas territories are also denominated in British pounds, and the exchange rate with British pounds is fixed at 1: 1. As Britain is the earliest industrialized country in the world and once dominated the international financial industry, the pound was once the most widely used currency in international settlement business. After World War I and World War II, Britain's economic status has been declining, but due to historical reasons, Britain's financial industry is still very developed, and the pound still occupies a very high position in the settlement of foreign exchange transactions. The pound is printed with donation figures and royalties.