Her work fuses several painting styles that combine conventional techniques with modern materials and brushstrokes.
She concentrated on Chinese ink wash painting under Ding Yanyong in the 1970s, and later Cheung Kwan-sut.
Additionally, her works were shown in other collaborative exhibits in Australia, Philippines, Japan, Taiwan, Malaysia, China, and Russia.
[citation needed] Her paintings were selected in the 2nd Contemporary Chinese Landscape Painting Exhibition in 1993 and the 9th National Art Exhibition with a Showcase of Selected Works by Hong Kong, Macau and Taiwanese Artists.
Mok was a member of the Hong Kong Modern Ink Painting Society until 2005.