[2] During the Tang dynasty (618–907), a navy town, Tuen Mun Tsan (屯門鎮) was established in Nantou, which lies across Deep Bay.

They migrated from Jiangxi on the Chinese mainland and established a village, Tuen Mun Tsuen (屯門村),[3] late in the Yuan dynasty (1272–1368).

Tuen Mun remained an important town for coastal defence purposes until the start of British rule in 1898.

It was later renamed Tuen Mun New Town and constructed from 1970 onwards with many buildings on the reclaimed land of the former Castle Peak Bay.

One starts from Hoh Fuk Tong College in San Hui connected with the end of MacLehose Trail through to Yeuk Mung Yuen (若夢園) till Prime View Garden.

It opens up the hills flanking the town, seeing the broad view of picturesque Tuen Mun from the lookout points.

[clarification needed] The Crossroads village, which operates a handicrafts market selling artisanal fair trade products from around the world, is based in Tuen Mun.

The government decided that services between town centres and settlements would be provided solely by a Light Rail Transit (LRT) system, while feeder buses operated by the Kowloon-Canton Railway Corporation (now operated by MTR after the takeover in 2007) would connect remote sites to the network, replacing Kowloon Motor Bus's equivalent services where applicable.

The system consisted of two big and three small loops serving most of the public housing estates in northern Tuen Mun.

The service had been enhanced from using 7-car trains to 8-car to cope with the increasing population in Tuen Mun, Tin Shui Wai, and Yuen Long.

KMB, one of the bus companies in HK, having route 59M, 59X, 60M, 60X, 53, 263, 260X, 259D, 62X and more to bring passenger from Tuen Mun to various destinations in New Territories and Kowloon.

The town is also served by New World First Ferry services to Tung Chung (being discontinued in July 2008 and replaced by Fortune Ferry Tuen Mun – Tung Chung – Sha Lo Wan – Tai O services).