Enterprise Resources Planning systems are expected to: (1) reduce costs by increasing efficiency through computerization; (2) improve decision making by providing accurate and timely company-wide information; (3) better communication with customers and suppliers, and (4) better control over the business. The purpose of this study was to determine the effect of ERP system implementation on the company's financial performance. Analysis carried out on this company by comparing the first, second

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... third quartile before and after ERP implementation in the indication of inventory turnover ratio, weeks of supply, net profit margin, gross profit margin, operating profit margin. Based on the results of calculations using SPSS version 13.00 and data analysis performed on 33 consumer good companies listed on the Indonesian stock exchange by comparing before and after the ERP launch to the financial performance index reviewed from inventory ratio turnover indicators, weeks of supply, net profit margin , gross profit margin, operating margin and pretax margin and cash flow ratio, it can be concluded that there are significant differences between the company's financial performance before and after the launch of ERP. The company's financial performance increases after using ERP. This indicates the effectiveness and efficiency of the company in managing financial resources after using ERP. Thus this result is expected to be able to increase the competitiveness of companies in the future.