PROBLEM TO BE SOLVED: To provide a solid preparation which contains a specific dibenz[b,e]oxepine derivative and is excellent in storage stability such as light stability.SOLUTION: This invention relates to the solid preparation that contains a raw preparation containing a compound represented by the formula (I), and a coating film or capsule containing a light-shielding agent of 0.6 pts. wt. or more with respect to the raw preparation 100 pts. wt.SELECTED DRAWING: None【課題】特定のジベンゾ[b,e]オキセピン誘導体を含有し、光安定性等の保存安定性に優れた固形製剤等の提供。【解決手段】下記式(I)を代表例とする化合物を含有する素製剤と、該素製剤100重量部に対して0.6重量部以上の遮光剤を含有する皮膜またはカプセルを含む固形製剤。【選択図】なし
