Law joined the Kitchee academy in May 2008 and trained there until July 2015 when was signed to a professional contract.

He made his debut 28 October 2015 in a Sapling Cup match against Yuen Long.

[2] In July 2017, Law joined Dreams FC on loan in search of more first team football.

[4] On 10 September 2019, Law made his senior international debut for Hong Kong in the World Cup qualifiers against Iran.

On 26 December 2023, Law was named in Hong Kong's squad for the 2023 AFC Asian Cup.