All That Is Bitter Is Sweet (Traditional Chinese: 大藥坊; literally "The Great Apothecary") 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 and Elliot Ngok as the major supporting roles.

The drama began broadcasting on September 8, 2014 on TVB Jade channel during its 8:30 - 9:30 p.m. timeslot, and finished airing on October 17, 2014 with 30 episodes total.

When the apothecary's product caused the death of the Mayor's eldest son (and owner Dou Sam's soon-to-be son in law), Dou Sam is imprisoned, and the apothecary was ordered closed.

Sam's only daughter, Dou Gaai Kei, then took on the task of investigating her fiancé's death, in hopes of releasing her father.

Together with Ding Yat Yuen, a businessman with a dubious reputation, they stumble upon a big conspiracy that could rock Chinese politics.