| 入魔 | 1994 | Screenplay |
| 青春火花 | 1994 | Writer |
| 香江花月夜 | 1995 | Writer |
| 呆佬拜壽 | 1995 | Writer |
| King of Comedy | 1999 | Writer |
| 愛情敏感地帶 | 2000 | Writer |
| 嫁個有錢人 | 2002 | Writer |
| Men Suddenly In Black | 2003 | Writer |
| 師奶唔易做 | 2006 | Writer |
| Sei sung saw liu | 2009 | Writer |
| Ip Man : La Légende est née | 2010 | Screenplay |
| Cheung Gong 7 hou: Oi dei kau | 2010 | Writer |
| Qiu Jin, la guerrière | 2011 | Screenplay |
| Ip Man : Le Combat final | 2013 | Writer |
| Girls | 2014 | Writer |
| 雛妓 | 2014 | Writer |
| The Mobfathers | 2016 | Screenplay |
| 兇手還未睡 | 2016 | Screenplay |
| 77 Heartbreaks | 2017 | Writer |
| The Sleep Curse | 2017 | Writer |
| Shock Wave | 2017 | Writer |
| The Empty Hands | 2017 | Screenplay |
| The Leakers | 2018 | Writer |
| 黃金兄弟 | 2018 | Screenplay |
| 翠絲 | 2018 | Writer |
| The White Storm 2 : Drug Lords | 2019 | Writer |
| Shock Wave 2 | 2020 | Writer |
| 感動她77次 | 2021 | Writer |
| 給我1天 | 2022 | Writer |
| Customs Frontline | 2024 | Writer |
| 猎金·游戏 | 2025 | Writer |
