The goal of this study was to propose analyzing the influence of macroeconomics factor to Jakarta Islamic Index. The macroeconomics factors consist of inflation, BI rate, exchange rate IDR/USD, and Gross Domestic Product (GDP). The observation data concerned were obtained during April, 2016 to June, 2019 (in total 39 monthly observation data). The multiple linear regression model is applied to analyze the relation between independent variable (inflation, BI rate, exchange rate IDR/USD, and Gross Domestic Product) and dependent variable which is Jakarta Islamic Index (JII). The results explained that the independent variables are significant except inflation.