The invention discloses an electronic counter for a high-tension switch board. The counter comprises a control circuit, a power supply circuit, a display module, a real-time clock circuit, a memory, a signal input circuit, a signal processing circuit, a wireless module and an antenna. The control circuit is connected to the power supply circuit, the display module, an illuminance sensor, the real-time clock circuit, the memory, the signal processing circuit, a button, an indicator lamp and the wireless module; the light source circuit is connected to the control circuit, the display module, the illuminance sensor, the real-time clock circuit, the memory, the signal processing circuit and the wireless module and supplies power thereto; the display module is connected to the control circuit and the power supply circuit; the real-time clock circuit is connected to the control circuit and the power supply circuit; the memory is connected to the control circuit and the power supply circuit; and the signal input circuit is connected to the signal processing circuit. According to the counter disclosed by the invention, the workload of a worker is reduced, the work efficiency is improved, and the counter is high in measuring speed, high in measuring precision, more in function, simple to operation and long in service life.