First of all, Guan Yu's carelessness in Jingzhou weakened Shu Han, who lost tens of thousands of elite troops and many talents. If he goes to war with Sun Wu again, there is really no guarantee of victory. In addition, the battle of Hanzhong has just ended, and Yizhou is exhausted, which is really not suitable for another war.

Second, Cao Wei in the north is eyeing him. If Cao Wei attacked Shu Han when Wu and Shu were at war, Shu Han would be attacked on both sides and be in danger of fighting on both sides. At that time, Shu Han will face extinction.

Third, the biggest enemy of Shu Han is Cao Wei. Liu Bei has been playing the slogan of "reviving the Han Dynasty", so he should focus on Cao Wei.

Therefore, Zhuge Liang was opposed to launching the war of Yiling at first. Zhuge Liang's opposition influenced Liu Bei's decision-making to a certain extent, so that Liu Bei did not go to war with Sun Quan from the beginning.

However, things are unpredictable. With Cao Pi usurping Han's independence, he was too busy to take care of the south, and Zhang Da, who killed Zhang Fei, fled to Sun Wu. Liu Bei couldn't help it, and soon launched a war of Yiling against Sun Wu with the strength of the whole country.

Zhuge Liang at this time was actually very opposed to Liu Bei's war of Yiling. But Liu Bei has made up his mind, and some of them are carried away by anger, which makes Zhuge Liang dare not say anything more, so he has to keep silent and fully cooperate with Liu Bei.

I can't help it After all, Liu Bei is the boss and Zhuge Liang is just a part-time worker. Now that the big boss has made up his mind, Zhuge Liang will be unappreciative if he objects again.

Of course, Zhuge Liang believes that the battle of Yiling has the possibility of victory. After all, Liu Bei led tens of thousands of troops, Jingzhou just lost, and people's hearts were still biased towards Shu Han. Therefore, if the plan is good, Liu Bei is likely to recapture Jingzhou again.

In fact, Zhuge Liang still has some luck, otherwise he will continue to oppose Liu Bei's attack on Wu after being cautious all his life. But there was nothing he could do. At that time, Liu Bei was carried away by anger, and Liu Bei, who was already the emperor, also expanded. Zhuge Liang could no longer listen to what he said, so Zhuge Liang could only watch Liu Bei leave Chengdu with a great army.

In a word, Zhuge Liang's influence in the battle of Yiling was not great, because Liu Bei, who was bent on his own way, couldn't listen to any harsh words, and Zhuge Liang's sense of existence in this war was actually very low.