The medical liquid container body (1) comprises a container body (2) and a suspending member (4) rotatably attached to the top surface of the container body (2). The container body (2) has a suspending member holding portion including a pin-like projection (23) on the upper surface. The hanging member includes a base portion (40) having a through hole (45) through which the pin-like protrusion passes, a bendable hinge portion (43 a, 43 b) extending laterally from one end side of the base portion (40), , And a standing operation section (42) connected to the hinge section, and also has a gap (15) between the lower surface of the standing operation section (42) and the upper surface of the container body (2).医療用液体収納用容器体(1)は、容器本体(2)と、容器本体(2)の上面に、回動可能に取り付けられた吊下用部材(4)とを備える。容器本体(2)は、上面にピン状突起(23)を含む吊下用部材保持部を備える。吊下用部材は、ピン状突起が貫通する貫通孔(45)を有するベース部(40)と、ベース部(40)の一端側から側方に延びる折り曲げ可能なヒンジ部(43a,43b)と、ヒンジ部と連結した起立操作部(42)とを有し、かつ、起立操作部(42)の下面と容器本体(2)の上面との間に隙間(15)を備えている。
