Bao Shihong, the lead character, was named after one of the film's producers.
This was one of Andy Lau's "The Focus Films & Star Chinese Movies Network HD Project."
The doctor that appears in the first scene was played by writer-director Ning Hao.
This movie belonged to the "Asian New Director" film project, invested in by Andy Lau in the amount of 12.5 million Hong Kong dollars, which included five other films.
[Cameos] Director Hao Ning appeared in the prelude as a doctor and cinematographer Jie Du appeared as a random character.