[1][2] To started her career as a Cantonese opera singer.

To appeared in A Fisherman's Girl, a 1936 Drama film directed by Wen Yi-Min.

To is known for her role as a greety mother, brothel madam, or landlady.

To appeared as a landlady in films such as The Corn in Ripe for Plucking (1948), Four Phoenixes Take Flight (1948), Hanging on Together (1949), A Devoted Soul (Part 1 and Part 2) (1949), and Blood, Rouge and Tears (1950).

To's last film was Dog Bites Dog Bone, a 1978 Drama film directed by Michael Lai Siu-Tin and Nancy Sit Ka-Yin.