To provide a two or more multi-row and multi-layer automatic loading device for automatically loading/unloading non-stackable containers on a truck having multi-stage shelves, and an automatic loading system using the device.

A frame is formed portal, and a guide capable of suspending a right-to-left moving part 20 and moving it from the packing case picking position to an entrance position of shelves of a transfer truck is provided on a beam part. A truck which is suspended from the guide and moved in the right-to-left direction by a driving device is provided on the right-to-left moving part 20, a post to hold a vertically moving block of a vertical moving part 30 in a vertically movable manner by the driving device is fixed to the truck, and a trestle of a longitudinal moving part 40 is fixed to the vertically moving block. A holding member to hold a stay extending in the horizontal direction backwardly from a rear face of a holding part 50 movably in the horizontal direction and a driving member to move the holding part 50 in the longitudinal direction are provided on the trestle.