Monetary Authority of Singapore (English: Monetary Authority of Singapore, abbreviated as MAS；; Malay: Penguasa Kewangan Singapura) is the central bank of Singapore, established in 197 1. Looking at its functions, it integrates many financial functions such as banking and finance. Since its establishment, financial business has been carried out and professionally managed by government departments.

With the continuous development of Singapore, more and more complicated banking business and financial environment demand force the country to reform its financial functions, so as to have more development momentum and consistent financial policies. Therefore, Congress passed the Monetary Authority of Singapore Act (MAS Act) in 1970, which led to the establishment of MAS in 197 1 year 1 month 1 day. The bill gives monetary authority of singapore the right to manage all financial and banking systems and financial affairs in Singapore.

MAS is also entrusted to formulate laws on bankers and even government financial departments, and also entrusted to improve financial stability; Formulate credit and exchange policies to promote economic growth.