In 1925, Fung was born as Guo Ruizhen in Guangdong province, China.
Fung attended Jiefang Girls Middle School in Guangzhou, China.
Fung appeared in Monk in Love, a 1950 drama film directed by Wong Toi.
Fung appeared in How Seven Heroes Crossed the Golden Bank (Part 1), a 1951 Historical drama Cantonese opera film directed by Yeung Kung-Leung.
Fung appeared in The Twelve Beauties with both Yam Kim-fai and Pak Suet Sin, a 1952 Cantonese opera film directed by Chan Pei.