All That Is Bitter Is Sweet (Traditional Chinese: 大藥坊; literally "The Great Apothecary") (Chinese: 大药坊; Jyutping: daai6 joek6 fong1) is a 2014 Hong Kong period, medical, romance drama produced by TVB, starring Linda Chung, Ruco Chan and Raymond Wong Ho-yin as the main leads, with Natalie Tong, Pierre Ngo, Sammy Sum, Shirley Yeung, Jazz Lam and Elliot Ngok in main supporting roles. Filming took place from November 2013 to February 2014.