Liu Hong Dou graduated from the Beijing Film Academy, major in acting. She was the program hostess and drama series actress of the Guangdong Television between 1982 and 1989, and was then, the first generation TV hostess and drama series actress of China.¡C

Since joining HKRep as full time actress in 1991, she played in over 50 productions, including Guan Hanqing, King Lear, Three Sisters, Yan Xijiao, Black Elk Speaks, Villa Parasol, Miss To Sup-neung, De Ling and Empress Dowager Ci Xi, Small Ripples in a Dead Pool, Grand Opening of a Medical Clinic, A Midsummer Night's Dream, The Crucible, A Dream Like a Dream, Love In a Fallen City, Rape Virus, Tomorrow Is Another Day, The Eccentricities of a Nightingale, Haunted, Haunted Little Star , Sweet & Sour Hong Kong, Shall We Go To Mars?, Peach Blossom Fan and The Importance of Being Earnest and Zheng He and The Emperor. In 2005, she took part in a creative job for (Rep 2 Series)Do you Still Remember .

Liu was awarded the Best Supporting Actress (Tragedy / Drama) at the HK Drama Awards for her work of Old Mrs. Chen in Red Sky in 1999, Best Supporting Actress (Comedy / Farce) for her work of Mitzi in An Absolute Turkey in 2001 and Li Fengla in Haunted, Haunted Little Star in 2004.