First, the art of 捭阖 is the core of Guiguzi’s Zonghengshu. The so-called 捭阖 is the great transformation of the Tao, which means change. ?Second, the reaction technique is a set of methods to detect the other party's true condition. The so-called "If you don't agree with your words, ask for it instead, and it will definitely come out." ?Third, the technique of internal control is the lock. Internal control is a way to win the trust of others. Fourth, resistance means "gap". Gui Guzi believes that there are always gaps in the movement of things. Countermeasures are a method of detecting and exploiting gaps. If there is no countermeasures in the world, then hide in hiding and wait for the right time. If there are times when you can countermeasures, then plan for them. ?Fifth, flying pliers technique Flying pliers is a technique to control people. By elevating the other party and other means, you can eliminate the other party's wariness, thereby discovering the other party's inside story, further controlling the other party, and trying your best to avoid being controlled by the other party. Sixth, the principle of the disobedient combination technique is that "strategies do not serve two purposes". Once you make a choice, you must stand firm to avoid falling into an embarrassing situation.