Later, she joined TVB and made her acting debut in the sitcom Come Home Love as Lee Sze-sze.

In June 2019, she was cast to replace Jacqueline Wong in reshoot of the sequel Forensic Heroes IV,[3][4] which was broadcast in February 2020.

[5] After the media reported that the two parties had separated in March 2018, Tong confessed the breakup through Instagram and said she wanted to keep a low profile.

[6] On 12 June 2020, Tong and Kenneth Ma were found to be dating in Hung Hom, and they admitted their relationship on Instagram the next day.

[8] Tong is best friends with Tracy Chu, Angel Chiang, Jennifer Shum and Kayi Cheung.