A medical container (1) has an opening (21), a base end opening section (261), and a base end edge section (25) enclosing the base end opening section (261), and comprises: a container main body (2) into and out of which liquid can enter and leave via the opening (21) a stopper (3) that seals the opening (21) an edge section (41) adhered and fixed to the base end edge section (25) and which seals the base end opening section (261) a bag (4) surrounded by the edge section (41), and having a inverting section (42) that turns inside out and a space (12) surrounded by the container main body (2), the stopper (3), and the bag (4). The inverting section (42) can achieve a first state in which the inverting section expands towards the front end side and a second state in which the inverting section expands towards the base end side, by turning inside out together with the entering and leaving of the space (12) by the liquid via the opening (21). The medical container (1) also comprises a protective cover (6) that can achieve a base end-side mounted state, whereby the protective cover is mounted to the container main body (2) so as to cover the base end opening section (261), and a front end-side mounted state, whereby the protective cover is mounted to the container main body (2) so as to cover the opening (21), said protective cover covering, in the base end-side mounted state, the bag (4) in the second state.La présente invention concerne un récipient médical (1) présentant une ouverture (21), une section douverture à lextrémité de la base (261), et une section de chant à lextrémité de la base (25) englobant la section douverture de lextrémité de la base (261), et qui comprend : un corps principal de récipient (2) dans lequel et hors duquel du liquide peut entrer et sortir via louverture (21) un bouchon (3) qui ferme hermétiquement louverture (21) une section de chant (41) collée et fixée à la section de chant de lextrémité de base (25) et qui ferme hermétiquement la s