She competed for Hong Kong when they made their first Rugby World Cup appearance at the 2017 tournament .

Cheung was named in Hong Kong's squad that toured Spain in a two-test match series in Madrid in 2015.

[4][5] She was named in Hong Kong's training squad in preparation for their Rugby World Cup qualifiers matches against Fiji and Japan in 2016.

[7] Cheung was selected in Hong Kong's historic squad who made their first Rugby World Cup appearance in 2017.

[8][9][10] Cheung was called again into the national team for the 2019 Asia Pacific Championship against Fiji and Samoa.