The American College Student Mathematical Modeling Competition (MCM/ICM) is the only international mathematical modeling competition, the most influential mathematical modeling competition in the world, and the originator of all kinds of mathematical modeling competitions. MCM/ICM is the abbreviation of mathematical modeling competition and interdisciplinary modeling competition, namely "mathematical modeling competition" and "interdisciplinary modeling competition". MCM started from 1985, and ICM started from 2000, initiated by COMAP (Mathematics and Its Application Federation) and sponsored by many institutions such as SIAM, NSA and INFORMS. MCM/ICM emphasizes research problems, originality of solutions, teamwork, communication and rationality of results. 20 15, * * A total of 9773 teams from the United States, China, Canada, Finland, Britain, Australia, etc. 19 countries and regions participated in the competition, including students from internationally renowned universities such as Harvard University, Princeton University, Massachusetts Institute of Technology, Tsinghua University and Peking University.