It refers to the movie "Taking Tiger Mountain Outward", which depicts the characters such as Yang Zirong and Zuoshan Carving, among which this sentence is widely known-the heavenly king covers the earth and the tiger is the river demon in Baota Town. This is the most popular slang in Jianghu, and it is often used as a proverb to ridicule.

Taking Tiger Mountain Outward is a war film directed by Tsui Hark and starring Zhang Hanyu, Tony Leung Ka Fai, Kenny Lin, Yu Nan, Chen Xiao and Du Yiheng. The film was released in Chinese mainland on February 24th, 20 14. The film is adapted from Qu Bo's novel "Lin Hai Xue Yuan", which tells the story of a brave 203 detachment of the People's Liberation Army and a bandit mountain carving that has been entrenched in the northeast forest for many years.