By this invention, the laminated tablet by which delamination was suppressed and its manufacturing method are provided. A recess Ka having a depth of 0.1 mm or more is provided on at least one surface Sa of the front and back surfaces (Sa, Sb) of the laminated tablet. In particular, in tableting, at least the upper punch is provided with a convex portion for forming the concave portion, and all the layers in the laminated tablet are pre-pressed with the upper punch to obtain a depth on the upper surface of all the layers. It is a preferable aspect that a recess having the same shape of 0.1 mm or more is formed, and a laminated structure in which the material of the next layer enters the recess is formed.本願発明によって、層剥離が抑制された積層錠剤とその製造方法が提供される。積層錠剤の表裏両面（Ｓａ、Ｓｂ）のうちの少なくとも一方の面Ｓａに、深さ０．１ｍｍ以上の凹部Ｋａを設ける。特に、打錠において、少なくとも上杵に、前記凹部を形成するための凸部を設け、積層錠剤中の全ての層に対して該上杵によって仮加圧して、全ての層の上面に深さ０．１ｍｍ以上の同じ形状の凹部を形成し、該凹部内に次層の材料が入り込んだ積層構造とするのが好ましい態様である。
