Samsung Electronics Company, Thai Nguyen, based in Yen Binh 1 Industrial Zone, Pho Yen district, Thai Nguyen is a Korean enterprise specializing in manufacturing and assembling Mobile phones and electronic components technology. High. To become a global company requires a lot of criteria, but the two basic criteria are production and commodity service is a solid foundation for Samsung Electronics Co., Ltd. to become a global company on land. cover. In Thai Nguyen, Samsung Group is relatively efficient, with relatively high revenue. The author uses the Dupont analysis model to generate and analyze the factors that affect the ROE, ROA, and financial performance of the business. Through this, the author proposes some suggestions to help managers and administrators have useful information, an objective view of the financial status of their businesses to get accurate view, Assist in making accurate, timely decisions to ensure profitable business. At the same time, the proposal to pilot the use of Dupont model to analyze ROE and ROA financial ratios at Samsung Electronics Vietnam Co., Ltd (SEVT) to improve the company's production and business performance.