The purpose of this research is to examine and analyze the influence of profitability, growth opportunity, asset structure and firm size on capital structure. Dependent variable in this research is capital structure. The independent variables in this study consist of profitability as measured by Return On Assets (ROA), growth opportunity as measured by growth opportunity, asset structure measured by SA, and firm size measured by size. The object of this study is consumer goods companies listed on the Indonesia Stock Exchange (IDX) for the period 2013-2017. The data used in this study is secondary data, namely annual financial statements. The research sample was selected using purposive sampling method and obtained as many as 132 samples. The analytical method used in this study uses multiple linear regression with IBM Statistic 22 application tools. The results showed that profitability had a significant negative effect on capital structure, growth opportunity had a significant positive effect on capital structure. asset structure had a significant positive effect on capital structure, and firm size had a significant positive effect on capital structure.