The invention provides a universal meter pen. The universal meter pen comprises a meter pan rod body and a connection line connected with a universal meter body, and is characterized in that one end of the meter pan rod body is provided with a primary probe, the other end is provided with a secondary probe, and the primary probe and the secondary probe are respectively in electrical connection with the connection line. According to the invention, the two ends of the meter pan rod body are respectively provided with the primary probe and the secondary probe, such that after the primary probe at one end of the meter pen is damaged, the secondary probe at the other end of the meter pen can be used, abandonment of the whole meter pen is unnecessary, the service life of the meter pen is prolonged accordingly, and unnecessary waste is avoided.