A combination weigher of the present invention comprises an inner chute which gathers objects which are discharged in an inward direction from weighing hoppers and discharges the objects, a plurality of outer chutes which gather the objects which are discharged in an outward direction from the weighing hoppers, a collecting hopper provided at discharge outlet of the inner chute, collecting hoppers provided at discharge outlets of the outer chutes, a lower chute which transfers the objects which are discharged from a collecting hopper, and discharges them from a discharge outlet at a bottom part thereof, and a control unit which is configured to switch a discharge direction of the weighing hoppers selected to make up of optimal combinations sequentially performed every time the combination process is performed, and according to these cause the collecting hopper and the collecting hopper to alternately discharge the objects.