He settled in Hong Kong in 1949. He worked at Nan Guo Studio as an assistant for cinematographer Luo Jun-Xiong for two years, before joining Xinhua Film Company as a cinematographer himself. His first movie was "Sweet As a Melon", directed by Chiang Nan. He joined Shaw Brothers in 1964 as a cinematographer, screenwriter and assistant director. He wrote "Yi Mao Qian", directed by Li Han-Hsiang, and was the assistant director in Ho Meng-Hua's "The Warlord And the Actress" and Chang Cheh's "Tiger Boy". He was promoted to director in 1965. The movies he directed included "Temple of the Red Lotus", "The Sword and the Lute", "The Thundering Sword", "King Cat", "The Silver Fox", "Twelve Deadly Coins", "The Secret of the Dirk" and "Swordsman At Large". Hsu left Shaw Brothers for Golden Harvest in 1971. He directed the Chinese-language version of "Zatoichi & One Armed Swordsman", a co-production of Golden Harvest and Shintaro Katsu. Supported by Golden Harvest, Hsu set up the Ku Gan Film Company in Taiwan later that year. The company has produced movies like "The Last Duel", starred Jimmy Wang Yu. He returned to Hong Kong in 1980 to work as a manager at Tian Gong Film Development Company.