Chan Wing-man was born in British Hong Kong. She attended St. Teresa's School Kowloon. She was contracted to Golden Harvest, and spent her time making films in Hong Kong and in Taiwan, where she starred in several romance movies.
Miao worked well with Ko Chun-hsiung and was paired with him in several movies. She played opposite both Bruce Lee and Jackie Chan. Miao appeared in all three of Bruce Lee's Hong Kong films, and became the only actress to share an on-screen kiss with Lee in Fist of Fury. She also starred opposite Jackie Chan in his first major film, New Fist of Fury.
She retired from acting in the late 1980s, and during the 1990s hosted an evening television show for the CFMT channel in Toronto, Ontario, Canada.
Miao currently lives in Toronto Canada, and hosts a radio program, "Coffee Talk", on CCBC Radio.