Abstract: An electronic buoy radar chart display system is applicable to a ship, and includes: an electronic buoy apparatus, configured to generate electronic buoy positioning data according to a position where an electronic buoy locates, and transmit the electronic buoy positioning data to a buoy transceiver; a satellite positioning module, configured to generate ship positioning data corresponding to the ship position; a processing module, connected to the buoy transceiver and the satellite positioning module, and configured to receive the electronic buoy positioning data and the ship positioning data, and calculate relative position data according to the electronic buoy positioning data and the ship positioning data; and a radar chart display apparatus, configured to display the electronic buoy positioning data, the ship positioning data, and the relative position data.