The utility model discloses a specular reflection formula stick of checking meter, the telescopic ball picking rod comprises a telescoping rod, infrared meter reader and connection are at the speculum, the telescopic link lower extreme is provided with clamping components, the last infrared emission receiving element that is provided with of infrared meter reader, infrared emission receiving element transmit and receive infrared direction is the same with the flexible direction of telescopic link, the upper end of telescopic link is provided with the carriage, be fixed with the limiting plate on the carriage, the speculum is arranged in the carriage, the contained angle of speculum and limiting plate is 135 degrees, contained angle between speculum and the telescopic link is 135 degrees, the limiting plate screwing be connected with with limiting plate vertically clamp plate and pinch -off blades, the utility model discloses a combination of limiting plate, clamp plate and pinch -off blades realizes the quick alignment of infrared meter reader and ammeter, and the stick of checking meter is simultaneously supported by the ammeter, and is more laborsaving when checking meter, through the setting of speculum, can take infrared meter reader and operate in the hand, need not to lift high infrared meter reader, more convenient.