Provided is a solid pharmaceutical composition comprising (1S)-1,5-anhydro-1-[3-(1-benzothien-2-ylmethyl)-4-fluorophenyl]-D-glucitol and crystalline cellulose and/or croscarmellose sodium, wherein the (1S)-1,5-anhydro-1-[3-(1-benzothien-2-ylmethyl)-4-fluorophenyl]-D-glucitol does not form cocrystals. Also provided is a method for producing the composition.