Man Sui Hing joined HKRep in 2014. She was featured in The Impossible Trial - a musical (as Mrs. Sung), An Unjust Good Fellow (as Chan Hei), Auspicious Day (as the mother) and Marriage (as Hanada Hana), which garnered awards and nominations for Best Supporting Actress (Tragedy/Drama) at the Hong Kong Drama Awards. In 2020, she was awarded Best Supporting Actress for her performance in Marriage at the 3rd Chinese Theatre Awards. In 2024, she was nominated as Best Actress at the 15th Hong Kong Theatre Libre for her role as Mother in Landing to Blossom. Other performances include After Life, Lumination of the Forgotten, The Doctor, Liu Rushi, my Dear, All Good Things, Rose of Nightingale, Female N°7, That's Not True.
 

Man participated in many productions. In 2010, Man was awarded Best Actress (Comedy/Farce) at the Hong Kong Drama Awards and received a nomination for Best Actress at the Hong Kong Theatre Libre for her performance in Actors’ Family’s The Bloody Hell. In 2011, she was awarded Best Supporting Actress (Comedy/Farce) for Theatre Space’s Nunsense – A Musical Comedy. In 2013, she was nominated as Best Supporting Actress (Comedy/Farce) for Drama Gallery’s Jack and Jackie 2.
 

Man graduated from The Chinese University of Hong Kong with a Bachelor’s degree in social science in 2002. In 2008, she graduated wtih first class honours at the School of Drama, The Hong Kong Academy for Performing Arts, majoring in acting.