Profitability analysis can be written in the study of profit model. The study of profit model is an in-depth analysis and research on the profit model of enterprises or organizations, aiming at finding the key factors and optimization strategies of enterprise profit. Profitability analysis is a very important part in the study of profit model. Through the analysis of the profitability of enterprises, we can better understand the profitability and potential of enterprises, and provide reference for the design and optimization of profit model of enterprises.