Lee started playing rugby when he attended high school in England, and became involved with the Hong Kong Under-20 team on his return to his country of birth.

[4] In August 2017 Lee became the first Chinese player to be recruited by a Top League club, the NEC Green Rockets in Japan.

[5] He signed a one-year deal with the Abiko-based club, and made ten appearances during the 2017–18 Top League season.

In the 2018 Rugby World Cup Sevens, Hong Kong again lost to Chile again to finish as runners-up in the Bowl Final.

[9] Lee competed for Hong Kong at the 2022 Rugby World Cup Sevens in Cape Town.