Through the macroscopic depiction and case interpretation of the 2017 documentary film industry in China，this paper analyzes the current status of the documentary film market in China，and new features，new situations and new trends presented. The article pointed out that in 2017，the Chinese documentary film ushered in an outbreak year，and the output and box office reached a record high；The documentary film farewell to the era of relying on the reality movie；the theme and type of the documentary film are more diverse，and the documentary aesthetics return；recording film image quality is further improved；Word-of-mouth leadership and marketing communication are receiving more attention in the Chinese documentary market. Through data analysis and case studies，this paper believes that the future of documentary film will become an important part of the film’s ecological map，and it will become an important part of the documentary industry chain.