A three-terminal LED and drive circuit thereof. The three-terminal LED (1) has an anode, a cathode and a gate. The three-terminal LED (1) includes a LED group (3) formed by connecting at least one LED in series and a gate circuit (2), the first end (21) of the gate circuit (2) and the anode of the LED group (3) are connected with the anode of the three-terminal LED (1), the second end (22) of the gate circuit (2) and the cathode of the LED group (3) are connected with the cathode of the three-terminal LED (1), the third end (23) of the gate circuit (2) is connected with the gate of the three-terminal LED (1).