Corporate profitability is a concentrated expression operator measures the performance. The use of indicators related to profitability reflect and measure the performance of companies, the management analysis found that problems with profitability. Analysis of the profitability of the financial analysis of key enterprises, its fundamental purpose is analyzing the problem in a timely manner to improve the financial structure and improve solvency, management capacity, and ultimately to improve profitability, and promote sustainable and stable development. Therefore, the analysis of the profitability of listed companies, has a strong theoretical and practical significance.