June 16. Northeast Mathematical Modeling League is a competition for college students, graduate students and middle school students jointly sponsored by relevant universities in Heilongjiang, Kyrgyzstan and Liaoning provinces. In 2022, the mathematical modeling competition of the three northeastern provinces was held from April 29 to May 6, 2022. The result of the competition is at sunrise on June 16. The competition is fair and just, and it is a good math competition.