Invisible General is a spy war story based on a true story. The prototype of the protagonist is the highest-ranking undercover lurking in the Kuomintang in known history. The prototype is Han Liancheng. 1since February 20th, 947, the People's Liberation Army has annihilated more than 50,000 Kuomintang troops entrenched in Laiwu in only three days, and captured Li, deputy commander of the second appeasement area. Liancheng homophonic, the story of Liancheng in the film is highly consistent with Han Liancheng's experience, but some deduction is added, such as the role of love triangle and the deputy director of the Central Committee.

Han Liancheng (1909— 1984) was born in Guyuan county, Ningxia. Former senior general of Kuomintang army. General Han Liancheng is one of the four legendary generals in China (the other three are Xiong Xianghui, Guo Rugui and Qian Zhuangfei), and he is called "the longest and most secretive invisible general hiding by the president" by Jiang Jingguo.

Han Liancheng left the Kuomintang army in 1948 and joined the China People's Liberation Army. 1950 * * Joined China. Han Liancheng is an outstanding Communist party member in China, a tried and true Communist fighter, an excellent military commander and a senior general of the People's Liberation Army in China. 1955 was awarded the rank of lieutenant general. Won the first-class liberation medal. After liberation, he served as the first deputy commander of Lanzhou Military Region and vice governor of Gansu Province.