Abstract: Money demand has an important role for monetary policy authorities in determining appropriate policies to maintain economic stability. Analysis of the demand for money is an economic analysis of the quantities required to support the measures taken by the government in the monetary sector. This research aims to know the determinants of money demand function in Indonesia period 1990.1-2014.1. The analysis methode used in this research is Error Correction Model (ECM). The results showed that the variable Gross Domestic Product (GDP) is not significantly influences money demand. Exchange Rate (Exchange), and the Price Level positively and significantly affect the demand for money (M1) in the short term. While the rate of 3-month depo...