Three days, such a day is usually the ordinary. But the three days of the digital model competition is indeed absolute beneficial. Almost in three days, it can quickly learn from almost a few weeks, and of course, it is done under extreme fatigue. From the question, go to the topic; from the preliminary idea, build a model step by step; from the beginning of the release, to give the model solution; to the final organization. In addition to rest, every moment is thinking about modeling and solutions in the process of building a model, sometimes, even if you like sleep, sleep, you will suddenly get some inspiration. Now, although the number-of-aircraft competition is over, recall the three days, although it is physically and mentally exhausted, but every moment is so embarrassed, so it feels very good. The cultivation gained on willpower and teamwork is more beneficial. In the process of mathematical modeling, the mathematical knowledge of the studies has been different from the previous feelings. I used to just feel that mathematics is just a solution, solve some abstract problems, and the digital model teaches me how to use mathematics. Describe the actual problem and give a solution instead of using mathematics to solve the problem that others give me. I feel a bit empty in a few days of the game. Now I know, because it is too busy to be more idle. It is necessary to have other goals and then implement it. Life is actually in the process of establishing a goal and completing the goals, we have gradually growing in this process.