Romance of the Three Kingdoms is a classic Chinese novel with many famous strategies. The following are some of them: 1. All is fair in war: Cao Cao used this strategy in the Battle of Red Cliff to lure the enemy deep into the city and finally defeated Sun Quan's army. 2. Weakness is Strength: Liu Bei used this strategy in the Battle of Changban Slope to pretend to surrender to Cao Cao so that his troops would let down their guard and then take the opportunity to escape. 3. Surprise attack on the enemy's camp: Zhuge Liang used this strategy in the Empty City Stratagem to send Ma Dai and others to sneak into the enemy's camp and successfully deceive Sima Yi's trust, causing Sima Yi to make a mistake in his decision. 4. Concentration of superior forces: Cao Cao used this strategy in the Battle of Guandu to concentrate superior forces and defeat Yuan Shao's army. 5. Espirations: Liu Bei used this strategy in the Battle of Jingzhou to send Guan Yu and others to spy on Sun Quan and finally successfully occupied Jingzhou. These strategies were the famous war strategies of the Three Kingdoms period and were fully reflected in the novel.