The present invention relates to a pharmaceutical formulation, characterized by comprising flurbiprofen or a pharmaceutically acceptable salt of flurbiprofen, diacerein or a pharmaceutically acceptable salt of diacerein, as well as at least one or a properly-proportioned mixture of polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer or polyvinyl alcohol-polyethylene glycol copolymer.