1, the last battle: Han Xin attacked Zhao, making last stand, a soldier, put himself in a desperate situation where there was a strong enemy in front and there was no way out. As a result, all the soldiers bravely advanced and defeated Zhao. After the victory, a soldier asked the back water array. Han Xin said: At present, only when there is no retreat can we strengthen the determination of soldiers to fight for victory. (According to historical records. "Huaiyin Houzhuan")

2. Burn one's bridges: Xiang Yu fought with Qin Jun, led his troops across the river, and ordered to break the rice cooker and sink the ferry, leaving the soldiers in a desperate situation of lack of food, no boat and no retreat, to show his determination to retreat without fighting, and finally defeated Qin Jun.

(According to historical records. Yu Xiang Benji