A stocker system comprising a stocker (100, 100A-100C) capable of storing articles transported by an overhead transport vehicle, the overhead transport vehicle having a grip configured to grip an upper part of an article from an upper side and a lift driver configured to raise and lower the grip, the overhead transport vehicle being configured to run in a track (30, 30A, 30B) placed on a ceiling of a building, and to put down and place an article onto a load port of a device installed below the track (30, 30A, 30B), wherein the stocker (100, 100A-100C) includes: a plurality of shelves provided in multiple stages in an up-down direction, to place articles thereon; and a crane configured to place an article on the shelves or take out an article placed on the shelves, wherein the shelves include: a carry-in/out port configured to be used for each of the overhead transport vehicle and the crane to place an article thereon; and storage shelves configured to be used for the crane to place an article thereon, wherein the carry-in/out port is provided to have a vertical dimension that allows the grip to put down an article from above and place the article thereon, wherein a number of storage shelves is higher than a number of carry-in/out ports, the storage shelves being provided to have a vertical dimension smaller than the vertical dimension of the carry-in/out port, wherein the crane includes a transfer device configured to place an article thereon and to put down and to place the article onto the carry-in/out port or the storage shelves, and wherein the crane is configured to place an article placed on the carry-in/out port by the overhead transport vehicle onto the storage shelves or to take out an article placed on the storage shelves and to place the article on the carry-in/out port, characterized in that the stocker (100, 100A-100C) is disposed above the device, and a height of a lower end of the shelves is higher than a height of the device, wherein a height of a lower end of the crane is higher than the height of the device. wherein the stocker (100, 100A-100C) includes: a plurality of shelves provided in multiple stages in an up-down direction, to place articles thereon; and a crane configured to place an article on the shelves or take out an article placed on the shelves, a plurality of shelves provided in multiple stages in an up-down direction, to place articles thereon; and a crane configured to place an article on the shelves or take out an article placed on the shelves, wherein the shelves include: a carry-in/out port configured to be used for each of the overhead transport vehicle and the crane to place an article thereon; and storage shelves configured to be used for the crane to place an article thereon, a carry-in/out port configured to be used for each of the overhead transport vehicle and the crane to place an article thereon; and storage shelves configured to be used for the crane to place an article thereon, wherein the carry-in/out port is provided to have a vertical dimension that allows the grip to put down an article from above and place the article thereon, wherein a number of storage shelves is higher than a number of carry-in/out ports, the storage shelves being provided to have a vertical dimension smaller than the vertical dimension of the carry-in/out port, wherein the crane includes a transfer device configured to place an article thereon and to put down and to place the article onto the carry-in/out port or the storage shelves, and wherein the crane is configured to place an article placed on the carry-in/out port by the overhead transport vehicle onto the storage shelves or to take out an article placed on the storage shelves and to place the article on the carry-in/out port, characterized in that the stocker (100, 100A-100C) is disposed above the device, and a height of a lower end of the shelves is higher than a height of the device, wherein a height of a lower end of the crane is higher than the height of the device.