As for this invention, the mold temperature of the melting body with 40 - the 180 , features that formation of the formulation happens by ejecting forms the formulation melting body, being padded in the parents crocking Characteristic copolymer, it regards the manner which produces the formation item from formulation of the active ingredient whose dissolved to the water which exists is low.< Choice figure >It is not本発明は、溶融体の型温が40~180℃で、製剤溶融体を射出成形することにより、製剤の成形が起こることを特徴とする、両親媒性コポリマー中に埋め込まれて存在する水への溶解性が低い有効成分の製剤から成形品を製造する方法に関する。【選択図】なし