A content moving device configured to allow a container to be placed thereon, the container including: a container main body capable of containing content and having an opening which opens downward; a bottom lid capable of hermetically closing the opening; and a flange provided around the opening and shaped to provide at least one recessed portion, the content moving device comprising: a main body case having an internal space; a table portion provided on an upper wall of the main body case and configured to allow the container to be hermetically placed on the table portion; a restricting mechanism configured to restrict movement of the container main body and the flange of the container placed on the table portion; and a first moving mechanism configured to move the content to the internal space with the bottom lid, wherein the restricting mechanism includes: a collar portion provided on the table portion in a standing manner and configured to surround the flange of the container placed on the table portion; a first restricting portion provided inward of the collar portion and configured to be located in the recessed portion when the container is placed on the table portion; at least one second restricting portion shorter than the recessed portion with respect to an extending direction of the flange in which the flange extends, the second restricting portion being provided above the first restricting portion and inward of the collar portion; and a second moving mechanism configured to move the second restricting portion along the extending direction between a first position, in which the second restricting portion is opposed to the flange of the container placed on the table portion in an up-down direction, and a second position, in which the second restricting portion is opposed to the recessed portion in the up-down direction without being opposed to the flange in the up-down direction. a main body case having an internal space; a table portion provided on an upper wall of the main body case and configured to allow the container to be hermetically placed on the table portion; a restricting mechanism configured to restrict movement of the container main body and the flange of the container placed on the table portion; and a first moving mechanism configured to move the content to the internal space with the bottom lid, wherein the restricting mechanism includes: a collar portion provided on the table portion in a standing manner and configured to surround the flange of the container placed on the table portion; a first restricting portion provided inward of the collar portion and configured to be located in the recessed portion when the container is placed on the table portion; at least one second restricting portion shorter than the recessed portion with respect to an extending direction of the flange in which the flange extends, the second restricting portion being provided above the first restricting portion and inward of the collar portion; and a second moving mechanism configured to move the second restricting portion along the extending direction between a first position, in which the second restricting portion is opposed to the flange of the container placed on the table portion in an up-down direction, and a second position, in which the second restricting portion is opposed to the recessed portion in the up-down direction without being opposed to the flange in the up-down direction. a collar portion provided on the table portion in a standing manner and configured to surround the flange of the container placed on the table portion; a first restricting portion provided inward of the collar portion and configured to be located in the recessed portion when the container is placed on the table portion; at least one second restricting portion shorter than the recessed portion with respect to an extending direction of the flange in which the flange extends, the second restricting portion being provided above the first restricting portion and inward of the collar portion; and a second moving mechanism configured to move the second restricting portion along the extending direction between a first position, in which the second restricting portion is opposed to the flange of the container placed on the table portion in an up-down direction, and a second position, in which the second restricting portion is opposed to the recessed portion in the up-down direction without being opposed to the flange in the up-down direction.