Bidirectional throttle valve

The utility model provides a two-way throttle valve. The two-way throttle valve comprises a valve body and a valve core arranged in the valve body in a sliding mode. Wherein a first throttling part and a second throttling part are respectively arranged at two ends of the valve core; a first throttling groove is formed in the outer side wall of the first throttling part; a second throttling grooveis formed in the outer side wall of the second throttling part; the first throttling groove and the second throttling groove are both distributed in the axial direction of the valve element. Accordingto the two-way throttle valve provided by the utility model, the two ends of the valve core are respectively provided with the two throttle grooves, so that throttling is performed through the different throttle grooves in the two fluid flowing directions respectively, and the throttling in the two directions can be controlled by respectively setting the sizes of the two throttle grooves, so thatthe two-way throttle valve