The invention belongs to the field of processing of batteries, and especially relates to a device for feeding a battery into a surface pad. The device comprises an unwinding plate, a winding plate, amedium pulling mechanism, a surface pad inlet groove, a surface pad stamping die, a surface pad stamping cylinder, a guiding sheet, a guiding sheet cylinder, a surface pad feeding pressure rod, a pressure rod cylinder and a guide rail slide block. The invention also relates to a method for feeding the battery into the surface pad. The method comprises the following steps: surface pad hole punching, surface pad punching, and entrance to the surface pad. The device and the method have the advantages of automatic operation realization, accuracy and high success rate in entrance to the surface pad, and battery tab protection.