The first prize of Huawei Cup Digital Model has a high gold content. Huawei Cup Mathematical Modeling Competition, a national postgraduate mathematical modeling competition, has been successfully held for more than ten sessions, with a large number of participating units and teams, high social recognition and high gold content. Modeling competition is a national science and technology competition for graduate students. Its purpose is to stimulate graduate students' innovative vitality and interest in learning, improve their comprehensive ability to use computers to build mathematical models and solve practical problems, broaden their knowledge, cultivate their innovative spirit and sense of teamwork, promote the emergence and rapid growth of outstanding talents among graduate students, promote graduate education reform, and enhance exchanges and cooperation among universities, research institutes and enterprises.