Hong Kong dollar or Hong Kong dollar is the legal tender of Hong Kong. According to the Basic Law of Hong Kong, Hong Kong's autonomy includes the right to issue its own currency. Its official ISO 42 17 abbreviation is HKD (Hong Kong dollars); The sign is Hong Kong dollars. The Hong Kong Monetary Authority, Standard Chartered Bank (Hong Kong) Limited, The Hongkong and Shanghai Banking Corporation Limited and the Bank of China (Hong Kong) Limited announced on July 20th that they would launch a new series of 20 10 banknotes. Hong Kong has established a linked exchange rate system linking the issuance of Hong Kong dollars to the US dollar. The US dollars held by the Exchange Fund provide support for the stability of Hong Kong dollar banknotes.

Hong Kong is the third largest financial center in the world after new york and London, which makes Hong Kong dollar one of the currencies with sound system and stable value. Although the history of issuing Hong Kong dollars is not long and the region is not large, its development is representative to some extent.