Lam first appeared in Conscience, a 1933 drama directed by Chow Wing-Loi and Mak Siu-Ha.
Lam appeared as a wealthy lady in The White Gold Dragon, Part Two, a 1937 Cantonese opera film.
Lam is known for her role as a shrew concubine or a wicked woman.
Lam appeared as elder daughter-in-law in Mother and Son in Grief (1951), as a concubine in The Story of Liang Kuan and Lin Shirong (aka Leung Foon and Lam Sai-Wing) (1955), and Pleasure Daughter (1956).
Lam also appeared in Cantonese Drama, Comedy, and Romance films.