Provided is a solid preparation comprising (i) a compound represented by the formula (I):wherein each symbol is as defined in the specification, or a salt thereof, (ii) a sugar alcohol, and (iii) a calcium antagonist, which is superior in the dissolution property and stability.本發明係提供一種固體製劑,其包括(i)式(I)所示之化合物或其鹽:其中各符號係如說明書所定義;(ii)糖醇;以及(iii)鈣拮抗劑,其具有優異的溶解性與安定性。