The present invention provides a pharmaceutical composition for oral administration, comprising (a) a taxane, (b) a medium chain triglyceride, (c) an oleoyl glycerol complex having 30 to 65 % by weight of monooleoyl glycerol contents； 15 to 50 % by weight of dioleoyl glycerol contents； and 2 to 20 % by weight of trioleoyl glycerol contents, (d) a surfactant, and optionally (e) polyoxyl glyceryl fatty acid ester and a process for preparing the same.
