Some embodiments of the present disclosure provide an electronic expansion valve, including: a valve body, the valve body having a valve port; a valve head portion, movably provided in the valve body, the valve head portion including a valve head and a pressing sleeve, the valve head having an accommodating cavity, the end of the accommodating cavity close to the valve port having a bottom wall, a through hole being provided on the bottom wall, and the valve head being used for blocking the valve port; a guide sleeve, provided in the valve body, the valve head portion being inserted in the guide sleeve; a driving portion, movably provided in the valve body, an end of the driving portion penetrating the pressing sleeve, and a channel being provided on the end of the driving portion.