A packaging machine includes: a linear type conveyance unit conveying a bag linearly in a first direction; a rotary type conveyance unit conveying the bag rotationally in a second direction; a delivery unit delivering the bag between the linear type and the rotary type conveyance units; a first processing system performing processing on the bag conveyed by the linear type conveyance unit; and a second processing system performing processing on the bag conveyed by the rotary type conveyance unit, wherein: the linear type conveyance unit includes: a first supporting unit moving from a first conveyance position to a second conveyance position while supporting the bag in a suspended state; and a second supporting unit which receives the bag from the first supporting unit at the second conveyance position and supports the bag in a suspended state, and the second processing system includes an opening processing unit.