The carbon canister solenoid valve has an iron yoke shell in the front cover with the air outlet and the rear shell with the air inlet, and has an electromagnetic iron core in the iron yoke shell for winding the electromagnetic coil. The return spring is sleeved on the electromagnet The other end of the return spring abuts the valve core installed in the groove of the front iron yoke; the valve core and the front iron yoke are connected together by a spring piece, One end of the valve core is adjacent to the electromagnet and the other end is adjacent to the vent of the front iron yoke. This valve has the advantage of being able to control and utilize the flow of gasoline vapor in the canister under the action of an automotive electronic controller.