His films are notable for their lurid exploration of the problems of the poor in modern Hong Kong, such as Gangs (1986), Spacked Out (2000), Gimme Gimme (2001) and City Without Baseball (2008).
The director's movies are well-known for their detailed examination of the challenges faced by the poor in modern Hong Kong, such as Gangs (1986), Spacked Out (2000), Gimme Gimme (2001), and City Without Baseball (2008).