A medical inserting apparatus includes a screw nail which is inserted into a human body, a driver which inserts the screw nail into the human body, a current generator disposed in the driver to generate a predetermined current, a current meter disposed in the driver to measure the current, and a conductor element disposed in the screw nail and the driver along a lengthwise direction including an exposed portion to outside, wherein the conductor element includes a forward conductor element connected to the current generator to allow the current generated by the current generator to flow into the human body, and a reverse conductor element having one end electrically connected to the forward conductor element and the other end connected to the current generator, and including a variable resistor and the current meter installed to allow the current generated by the current generator to flow to the current meter by current division with resistance of the human body.