本文应用DEA模型对钢铁上市公司的业绩进行了实证研究。通过DEA有效分析和规模收益分析对十四家上市公司的业绩进行了效率衡量，为投资者理性投资提供了参考依据，也为上市公司提高效率提供了数据借鉴。-Using DEA model of the steel the performance of listed companies in the empirical study. DEA through effective analysis and scale benefit analysis of 14 listed companies in the performance efficiency measure, rational investment for investors provide a reference, as well as listed companies to increase the efficiency of the data reference.