The drug box is formed with the sheet material which is installed in the end face of the cover component and the cover component which cover the container itself of air and the container itself and the powdered medicine which is enclosed to main internal of the container. As for the container itself, it consists with of the opening section which is provided in the Tip of the tubed drum section and the drum section. The drum section does not become deformed, or has, the occasion the dissolved liquid restoration to the enclosing space, the easily transformable part which makes the capacity of the enclosing space increase with the difficult deformation section which it is difficult to become deformed and by becoming deformed. The medicine, for example through the opening section of the container itself from the syringe, is dissolved by the dissolved liquid restoration.薬剤収納容器は、中空の容器本体と、容器本体を覆うカバー部材と、カバー部材の基端に装着されたシート材と、容器本体内に収納された粉末状の薬剤とで構成されている。容器本体は、筒状の胴部と、胴部の先端部に設けられた口部とで構成されている。胴部は、収納空間に溶解液が充填された際に、変形しないか変形し難い難変形部と、変形することにより収納空間の容積を増大させる易変形部とを備えている。薬剤は、例えばシリンジから容器本体の口部を介して充填された溶解液によって溶解される。
