Profitability, that is to say, the ability of a company to make profits. The most important one is profit, which is the concern of all people. The higher the profit rate is, the stronger the company's operation ability is; the lower the profit rate is, the worse the company's operation ability is. Of course, the profitability is an important factor in the company's financial report. It can make the company's managers discover some problems in time, so as to improve the efficiency of financial operation. Therefore, the analysis of corporate profitability is very important. Taking Yili dairy industry as an example, this paper analyzes the profitability of financial data from 2013 to 2017, and finds that the way of profitability is not smooth. From this, we found the shortcomings in the operation process, and put forward relevant suggestions to improve the operation of the company.
Key words: Yili dairy industry; profitability; profitability index