The invention relates to a lockset with a lock beam reset function. The lockset with the lock beam reset function comprises a lock body, an adjusting hole, an adjusting knob, a tightening sliding block and a propping device, and is characterized in that the lock body comprises a long lock beam hole, a short lock beam hole and a U-shaped lock beam; the adjusting hole comprises an upper threaded hole, a rectangular hole, an inserting hole, a mounting screw hole and an inside hexagonal bolt; the adjusting knob comprises a threaded column and a lower mandrel; the tightening sliding block comprises an upper top plate, a rectangular strip and a driving strip; the propping device comprises a limiting mandrel, a limiting block, a compression spring and a sliding spring base; and the lockset can realize power-assisted reset in the angle range corresponding to a limiting groove and also can adjust the strength of power-assisted reset.