Through the story of horse racing in Tian Ji, this paper explains the significance of investigation and research, active use of brains and the display of intelligence in the competition. In the competition, the outcome depends not only on the material conditions, but also on the strategy.

1. Beat the weak with the strong, sacrifice the local, and win the overall situation.

2. Make good use of your strengths to deal with your opponent's shortcomings;

3. In the competition or struggle in which both sides participate, strategy is very important. If you take the right strategy, it is still possible to achieve a successful result when it seems certain to fail ~