Profitability usually refers to a company's ability to generate profit over a given period of time. The level of profitability is a relative term, ie profit is relative to a certain use of resources and a certain income. The higher the rate of profit, the higher the profitability, the lower the rate of profit, the worse the profitability. A company's performance can ultimately be reflected in its profitability. Whether company managers, creditors or shareholders (investors), they attach great importance to the profitability of the company and value the analysis and forecasting of profitability and its trend reversal.It manifests itself in the following two aspects in particular: