Root measuring instrument use training equipment

The utility model discloses a training device for using a root measuring instrument, which is characterized in that the upper surface of a device shell is provided with a placing hole which is sunken downwards and is used for placing a tooth model, a root canal is arranged in the tooth model, the bottom of the placing hole is a conductive metal plate, a power supply is arranged in the device shell, the side surface of the device shell is provided with an indicating lamp and a power connection plate, and the power connection plate is connected with the indicating lamp. The power connection plate, the indicating lamp, the power supply and the conductive metal plate are sequentially and electrically connected through wires, an iron plate is arranged at the bottom of the tooth model, a conductive part is arranged at the bottom of the root canal and electrically connected with the iron plate through a wire, a conductive wire is fixed on the root canal file for measuring the root canal, one end of the conductive wi