The Eight Hundred is one of the films to be released in Chinese cinemas after the global outbreak of emerging coronavirus. It is not only the box office champion of 2020 with more than 3.1 billion Yuan in China，but also represents the level of China’s film industry. The Eight Hundred updates the mode of war movies and evokes the emotional resonance of the audience with its historical theme to save the China’s film market in 2020. This paper carries out a comprehensive analysis of the film The Eight Hundred from the aspects of box office，genre，audience and development，trying to depict its unique portrait in China’s film market in 2020.