The invention discloses an automatic appearance detection device for electric energy metering terminals. The automatic appearance detection device comprises a rack, a workbench, a support, a button module and a photographing device, wherein the workbench is arranged in the rack, the support is arranged on the top of the rack, and the button module and the photographing device are arranged on the support; the workbench comprises guide rails, a wire connection and disconnection terminal and fixed blocks; the button module comprises connecting rods and contact rods, the connecting rods are in sliding connection with the support, the contact rods are fixed to the connecting rods, and each contact rod is connected with the corresponding connecting rod through an air cylinder; the photographing device comprises illumination devices and cameras, the illumination devices are fixed to three inner side faces of the supports respectively, and each camera is arranged over a display screen of the corresponding electric energy metering terminal to be tested. The automatic appearance detection device has the advantages that an existing conventional tray is used, the automatic appearance detection device can automatically complete testing and photographing recording work as long as operating personnel push the tray with the electric energy metering terminals into proper positions of the guide rails, the labor intensity of the operating personnel is effectively relieved, unification of testing standards can be guaranteed, and the quality of outgoing products is guaranteed; meanwhile, the automatic appearance detection device is simple in structure, and the positions of the cameras and the positions of the contact rods can be conveniently adjusted.