In 2022, the 5th National College Students' Mathematics Competition Network Challenge won the third prize. According to relevant data, the 5th National Undergraduate Mathematics Competition Network Challenge in 2022 was hosted by Zhejiang Applied Mathematics Research Association. In order to strengthen the education of basic subjects, improve college students' interest in learning mathematics, cultivate their ability to analyze and solve problems, and find and select innovative talents of mathematics, all full-time college students (graduate students, undergraduates and junior college students) in China can sign up for this competition, and winning the third prize among students in China is a good result.