In order to cultivate students' innovative consciousness and the ability to solve practical problems by using mathematical methods and computer technology, China Optimization and Economic Mathematics Research Association decided to hold the 13th MathorCup University Mathematical Modeling Challenge in 2023. The purpose of this competition is to build a platform to show the academic foundation of college students, improve their ability to solve social hot issues by using theoretical knowledge, broaden their scientific research horizons, encourage students to actively participate in extracurricular scientific and technological activities, and cultivate innovative spirit and cooperative consciousness. After more than ten years of development, the competition has become an influential basic discipline and applied science and technology competition in China.