Shek Mun is a station on the Tuen Ma line of Hong Kong. To the west, it serves the Shek Mun Industrial Area and northeastern portion of City One, including Siu Lek Yuen Playground. A new campus of the Hong Kong Baptist University is situated just outside exit D, to the east of the station.

The Tuen Ma line is a rapid transit line that forms part of the Mass Transit Railway (MTR) system in Hong Kong. Coloured brown on the map, the Tuen Ma line is 56.2 kilometres (34.9 mi) in length, making it the longest line of the MTR network. It has a total of 27 stations, more than any other in the MTR system.