Bag conveyance method and bag conveyance apparatus

A bag conveyance apparatus comprising:

• a stocker in which a bag bundle including a plurality of bags is accommodated;
• a holding member which picks up and holds the bag bundle accommodated in the stocker;
• a posture change mechanism which includes a delivery unit to which the bag bundle in a standing posture is delivered from the holding member, and a rotation mechanism which rotates the delivery unit to change a posture of the bag bundle held by the delivery unit from the standing posture to a lying posture;
• and
• a conveyance unit which includes a push unit and a conveyance drive mechanism driving the push unit, and causes the conveyance drive mechanism to drive the push unit in such a manner that the push unit moves the bag bundle in the lying posture from the delivery unit toward a supply unit.