The invention belongs to the field of experimental equipment, and discloses an automatic impregnating system for a solid oxide fuel cell electrode, which is used for realizing the automatic impregnation of a button-type solid oxide fuel cell. The automatic impregnating system consists of a stepper ring, an impregnating device, a high-temperature device, a vacuum device and a semiconductor refrigerating device, wherein the stepper ring comprises a stepper ring body, a stepper motor and a sample disc; the impregnating device comprises an impregnating liquid storage chamber and an impregnating injector; the high-temperature device comprises a roaster, a dewaxing chamber, a wax sealing ring and a heat insulation layer; the vacuum device comprises a vacuum pumping pipe, a cooling filtering chamber and a vacuum pump; the semiconductor refrigerating device comprises a semiconductor refrigerating plate and a refrigerating aluminum plate. By adopting the automatic impregnating system, the automation of the solid oxide fuel cell electrode impregnating process can be realized, the manmade error in an experiment can be avoided, and the working efficiency can be improved.