PROBLEM TO BE SOLVED: To provide a soft medical container capable of preventing erroneous administration of medical liquid in a syringe filled with the medical liquid, and allowing a user to safely and easily prepare medicament administration by implementing a series of operations of mixing the medical liquid with a medicament and of connecting an injection needle to the syringe.SOLUTION: A medicament-prestored soft medical container 1 includes: a soft container body 2 having a medicament storage part 22 a medicament 5 stored in the medicament storage part and a cylindrical member 4 fixed to the container body. The medical container 1 further includes: an injection needle 3 stored in the cylindrical member 4 such that a tip 33 faces the medicament storage part 22 a partition part 26 that releasably prevents communication of the inside of the cylindrical member 4 and the inside of the injection needle 3 to the medicament storage part 22 and a cylindrical-member encapsulation part 23 that shuts off the communication of the inside of the cylindrical member 4 and the inside of the injection needle 3 to the outside, and that can be opened.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】医療用液体を充填したシリンジの医療用液体の誤投与を防止し、医療用液体の薬剤との混合作業と、シリンジへの注射針の接続を一連の作業において行うことができ、薬剤投与準備を安全かつ容易に行うことができる薬剤収納済み軟質医療用容器を提供する。【解決手段】薬剤収納済み軟質医療用容器1は、薬剤収納部22を有する軟質容器本体2と、薬剤収納部に収納された薬剤5と、容器本体に固定された筒状部材4とを備える。医療用容器1は、筒状部材4に、刃先33が薬剤収納部22側を向くように収納された注射針3と、筒状部材4内および注射針3内と薬剤収納部22との連通を解除可能に阻害する仕切部26と、筒状部材4内および注射針3内と外部との連通を遮断し、かつ開封可能である筒状部材被包部23とを有する。【選択図】図3