An electronic device, a manufacturing method and an operation method thereof, and an electronic copy system. Each pixel unit of the electronic device includes a Hall-effect working electrode including a first, second, third and fourth contact position, a thin film transistor, a gate line, a first common line, a second common line, a data line and a sensing line. A line connecting the first contact position and the second contact position intersects a line connecting the third contact position and the fourth contact position; the thin film transistor includes a gate electrode connected with the gate line, a source electrode connected with the data line and a drain electrode, the drain electrode and sensing line are respectively connected with the first and second contact position; the first and second common line are respectively connected with the Hall-effect working electrode through the third and fourth contact position.