The present invention provides a solid preparation excellent in disintegration property and preservation stability. The present invention relates to a solid preparation containing (1) 2-[[6-[(3R)-3-amino-1-piperidinyl]-3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl]methyl]-4-fluorobenzonitrile (compound (A)) or a salt thereof, (2) a saccharide, and (3) sodium stearyl fumarate. In addition, the present invention relates to a solid preparation containing (1) compound (A) or a salt thereof, (2) a saccharide, and (3) stearic acid or talc in a naked tablet part.本發明提供一種具有優異之崩解性質與保存安定性之固態製劑。本發明係有關一種固態製劑,其包含(1)2-[[6-[(3R)-3-胺基-1-哌啶基]-3,4-二氫-3-甲基-2,4-二側氧基-1(2H)-嘧啶基]甲基]-4-氟苄腈(化合物(A))或其鹽類,(2)醣類,與(3)硬脂基富馬酸鈉。此外,本發明係有關一種固態製劑,其在裸錠部份中包含(1)化合物(A)或其鹽類,(2)醣類,與(3)硬脂酸或滑石。