A blow molding machine 1 has a blow molding section 10, an ejection section 20, and a delivery unit 100. In order to deliver a plurality of containers B to a device 200 of a post-process subsequent to the blow molding machine, the delivery unit includes a rail for holding, delivering and guiding the plurality of containers, and an elevation block raised and lowered relative to the rail. The elevation block includes a plurality of blades, an endless member to which the plurality of blades are fixed at a blow molding pitch, and a drive portion for driving the endless member to run.