INDUSTRIAL APPLICABILITY The present invention provides a tablet having excellent resistance to impact and friction and capable of effectively preventing damage to the cup portion and the edge. A tablet 1 having a cup portion 12 formed on at least one of the upper and lower sides of a side portion 11, wherein the outer surface of the cup portion 12 has first, second and third curved surfaces 12a, 12b having different curvatures R1, R2, R3. 12c, the first curved surface 12a is continuous with at least the second curved surface 12b, the second curved surface 12b is continuous with the first curved surface 12a and the third curved surface 12c, and the third curved surface 12c is at least the second curved surface 12b. In succession.本発明は、衝撃及び摩擦に対する耐性に優れ、カップ部及びエッジの欠損を効果的に防止することが可能な錠剤を提供する。 側部１１の上下の少なくとも一方にカップ部１２が形成された錠剤１であって、カップ部１２の外面は、曲率Ｒ１、Ｒ２、Ｒ３の異なる第１、第２及び第３曲面１２ａ、１２ｂ、１２ｃを含み、第１曲面１２ａは、少なくとも第２曲面１２ｂに連続し、第２曲面１２ｂは、第１曲面１２ａと第３曲面１２ｃとに連続し、第３曲面１２ｃは、少なくとも第２曲面１２ｂに連続する。
