First of all, we should deeply understand and analyze the audience-students, including their majors, knowledge background and courses. According to their major, increase or decrease the content, design the depth of the content according to their knowledge background, and design the content according to the courses they have studied to attract their attention as much as possible.

Secondly, we should deeply understand the present situation of mathematical modeling, such as commonly used mathematical methods, and then understand some competition questions at home and abroad, so as to analyze the competition questions and outstanding papers in detail.

Furthermore, we can speak some computer programs to cooperate with boring theoretical knowledge, so that students can practice computer language after class and put the content into practice.

Finally, we can talk about some problems that will appear in the competition and the ways to deal with them. I suggest that you invite the students who participated in the competition a few years ago to talk about it, which is more convincing. It would be better if we could invite the winning students back!