Days of Being Wild is a 1990 Hong Kong drama film written and directed by Wong Kar-Wai. Starring some of the best-known actors and actresses in Hong Kong, including Leslie Cheung, Andy Lau, Maggie Cheung, Carina Lau, Jacky Cheung and Tony Leung, the film marks the first collaboration between Wong and cinematographer Christopher Doyle, with whom he has since made six more films.

Wong Kar-wai is a Hong Kong film director, screenwriter, and producer. His films are characterised by nonlinear narratives, atmospheric music, and vivid cinematography involving bold, saturated colours. A pivotal figure of Hong Kong cinema, Wong is considered a contemporary auteur, and ranks third on Sight & Sound's 2002 poll of the greatest filmmakers of the previous 25 years. His films frequently appear on best-of lists domestically and internationally.