In Romance of the Three Kingdoms, the story of Zhuge Liang's secret visit to Chencang happened after the Battle of Red Cliff. At that time, Liu Bei's troops were in trouble when they were attacked by Sun Quan in Jingzhou. When Zhuge Liang heard of Liu Bei's predicament, he decided to use the night to sneak into Dongwu's territory to provide support to Liu Bei. Zhuge Liang made use of the night and the small path to cleverly avoid the patrol of the Eastern Wu army and finally arrived at Liu Bei's camp. He had provided Liu Bei with a large amount of military intelligence and support, helping Liu Bei overcome the difficulties and finally win the Battle of Red Cliff. This story showed Zhuge Liang's wisdom and courage, as well as Liu Bei's trust and gratitude towards him. It was also one of the famous plots in Romance of the Three Kingdoms.