This study aims to analyze the mechanism of earnings management against leverage, free cash flow, earnings power and good corporate governance. Earnings management used in this study was calculated by discretionary accruals of the Jones model. The corporate governance mechanisms that are used include the proportion of independent commissioners, audit committees, audit quality, managerial ownership. The research sample is a manufacturing company listed on the Indonesia Stock Exchange (IDX) for the period 2012-2017. Analysis tool to test hypotheses namely multiple regression analysis and simple using SPSS 22.0. The results of this study indicate that leverage, free cash flow, earnings power and audit committees has significant effect on earnings management, while the proportion of independent commissioners, audit quality and managerial ownership has no significant effect on earnings management