 Meng Da became close friends with the Wei officials Huan Jie and Xiahou Shang.In 225, Li Hong (), a former Wei subject who surrendered to Shu Han (a state founded by Liu Bei), came to meet Shu's chancellor Zhuge Liang and the Shu officials Jiang Wan and Fei Shi.Li Hong told them about Meng Da's meeting with a person called Wang Chong (), who told him that Zhuge Liang urged Liu Bei to execute Meng Da's family after Meng defected to Wei, but Liu Bei refused.