"Money supply M1 refers to the total amount of money in a country or region within a certain period of time (usually one month). M1 is a macroeconomic indicator used to measure cash and spot deposits in circulation in a country or region, etc. The most liquid currency asset.

Specifically, money supply M1 includes the following monetary assets:

Cash in circulation: Refers to banknotes, coins, and other currencies in circulation that can be used to purchase goods and services.

Spot deposit: refers to the deposit in the current deposit account opened by the depositor in the bank that can be withdrawn at any time. The depositor can withdraw the deposit at any time.

Money supply M1 is a relatively narrow money supply, which mainly reflects the total amount of cash and spot deposits in circulation in a country or region, and is an important indicator to measure a country or region's economic activities and currency in circulation.

Growth in M1 is usually closely related to economic activity and inflation. When M1 grows too fast, it may lead to the risk of inflation, and if M1 grows too slow, it may affect economic development. Therefore, the central bank usually adjusts monetary policy to control the growth of M1 in order to maintain the economic stability and development of the country or region.

In general, the money supply M1 is a relatively important macroeconomic indicator, which can reflect the economic activities and currency circulation of a country or region, and has important reference value for formulating monetary policy and monitoring the economic situation. "