Detective Dee and the Mystery of the Phantom Flame is a 2010 epic mystery film that is a fictional account of Di Renjie, one of the most celebrated officials of the Tang Dynasty. A co-production between China and Hong Kong, the film was directed by Tsui Hark from a screenplay written by Chen Kuofu. The film is an adaptation of the book, Detective Dee and the Mystery of the Phantom Flame, authored by Lin Qianyu. The film stars Andy Lau as the lead role, and features art direction and fight choreography by Sammo Hung. The film's supporting cast includes Carina Lau, Li Bingbing, Deng Chao and Tony Leung Ka-fai. Principal photography for Detective Dee began in May 2009; the film was shot at Hengdian World Studios in Zhejiang, China. Detective Dee was released in China on 29 September 2010 and in Hong Kong on 30 September 2010. The film was nominated for the Golden Lion at the 2010 Venice Film Festival. The film also made its North America debut by premiering at the 2010 Toronto International Film Festival.

The character of Judge Dee was made famous in western countries by Robert van Gulik, who wrote 17 new Judge Dee mysteries between 1946 and 1967. The series is now being continued by french author Frédéric Lenormand.