This study aims to test and prove empirically the effect of growth opportunity, business risk, and sales growth on the capital structure of technology companies listed on the Indonesia Stock Exchange in 2019-2021. This study uses a purposive sampling technique with a sample of 17 companies. This research was conducted in 2019-2021, so the amount of data in this study was 51 data. The analysis method used is panel data regression with the Eviews 10 application. The results of this study prove that Growth Opportunity and Business Risk affect Capital Structure. While Sales Growth does not affect the Capital Structure.