The present disclosure provides a beer pong game system comprising a game table, a plurality of game cups, and at least one game ball, the game table being equipped with an RFID reader and a plurality of RFID antennas, the RFID antennas one-to-one corresponding to to-be-detected positions of the game cups; an electronic tag being affixed at a bottom of a game cup; an electronic tag being inlaid inside the game ball; the beer pong game system being characterized in comprising a make detecting unit that identifies, at predetermined to-be-detected positions of game balls, the electronic tags of the game balls by scanning corresponding RFID antennas, thereby determining a make result and prompting a first landing mode; and a cup-removal scoring unit that identifies, at to-be-detected positions of all game cups, electronic tags of the game cups by scanning all RFID antennas, thereby inferring a second landing mode and correspondingly scoring.