Abstract: A stirring device and a household dough mixer. The stirring device includes a rotating plate, an annular sliding plate, a stirring rod, a rotating disk, a main motor, a deceleration device and a transmission assembly. The rotating plate is provided with a groove. Opposite inner sides of the groove are both provided with a sliding slot. The annular sliding plate is provided with an opening, and arranged inside the groove. The stirring rod is arranged on the annular sliding plate. The rotating disk is connected to the annular sliding plate, and is connected to an output shaft of the main motor. The deceleration device is arranged between the rotating plate and the rotating disk. The transmission assembly is arranged between the sliding slot and the rotating disk. The rotating disk rotates to drive the annular sliding plate through the transmission assembly to reciprocate along the sliding slot.