A medical fluid container of the present invention includes a container main body which is integrally molded by a blow-fill-seal method, a rubber plug which is disposed on a top surface of a mouth portion of the container main body, and an outer frame material which covers the rubber plug and the mouth portion, and which has a receiving surface that the mouth portion touches, and has a pressure bonding portion pressed in a direction of a bottom portion of the container main body against the mouth portion, and the rubber plug includes a plug main body covering a part of the top surface of the mouth portion, and a flanged portion extended between the pressure bonding portion and the mouth portion from a lower outer circumference of the plug main body.本發明之藥液容器,其包含:容器本體,其藉由吹製填充密封法而以一體之方式成形;橡膠栓,其配置在上述容器本體之口部的頂面;及外框材料,其覆蓋在上述橡膠栓及上述口部,且具有壓接部,該壓接部係具有上述口部所抵接之支承面,且相對於上述口部而被壓接至上述容器本體之底部方向,上述橡膠栓係具有將上述口部之頂面之一部分加以覆蓋之栓本體、及自上述栓本體之下部外周而延伸在上述壓接部與上述口部之間的之鍔部。2‧‧‧塑膠瓶本體3‧‧‧瓶蓋5‧‧‧口部8‧‧‧頸部9‧‧‧筒部10‧‧‧凸緣部(鍔部)11‧‧‧頂部薄膜12‧‧‧塑膠栓13‧‧‧外框材料14‧‧‧栓本體15‧‧‧凸緣部16、17‧‧‧凹部18‧‧‧口部收容部19‧‧‧橡膠栓收容部20‧‧‧台階部(壓接部)21‧‧‧凸緣部22‧‧‧突起23‧‧‧拉環31‧‧‧突起
