The purpose of this study aims to determine the effect of profitability, capital adequacy and non-performing loan on bank liquidity. The subjects used in this study were conventional banking companies listed on the Indonesia Stock Exchange. From the results of the purposive sampling method, there were 30 companies that were sampled in the 2014-2018 period. To analyze the effect of profitability, capital adequacy and non-performing loan on liquidity, a multiple linear regression analysis tool is used. This multiple linear regression analysis aims to obtain a comprehensive picture of the relationship between the dependent variable and the independent variable. The dependent variable in this study is banking liquidity (LDR). Based on the results of the analysis conducted, it is found that profitability has a positive effect on liquidity, capital adequacy has a positive effect on liquidity and non-performing loan has a negative effect on liquidity.