Mathematical modeling in shijiazhuang tiedao university Sifang College is very sad. Mathematical modeling is to establish a mathematical model, and the process of establishing a mathematical model is the process of mathematical modeling. From the perspective of science, engineering, economy and management, mathematical modeling is to use mathematical language and methods to establish a powerful mathematical tool that can approximate and solve practical problems through abstraction and simplification. The most important feature of mathematical modeling is to accept the test of practice, modify the model many times and gradually improve it.