The utility model discloses a concrete stirrer's unloader, including the stirring chamber, stirring intracavity portion is equipped with the push rod chamber, is equipped with first slide on the pushrod intracavity wall, and a top end of the slide rail is equipped with a stopper, is equipped with first slider on the first slide, is connected with an electric telescopic handle on the first slider,and it has a push rod to hinge on the first slider, the push rod intracavity still is equipped with a thrust unit, and a feed opening has still been opened to stirring chamber bottom, and stirring intracavity portion still is equipped with an agitating unit, and agitating unit connects on agitator motor, and the agitator motor top is equipped with the 2nd electric telescopic handle. The utility model discloses a push rod and first slider and lower material sheet's setting, the concrete after accomplishing all stirrings is released from the stirring intracavity, has partial concrete when having avoided the unloading insufficient and preserves the condition in the agitator, can not appear because including the concrete setting, influences subsequent concrete mixing condition extravagant with causing the material and appears.