To provide a container conveying device that can prevent a container from being stuck by a simple structure.

In the container conveying device 1 where a passage 4 is provided between guides 3 at both sides of a conveyor 2 so that a passage width is gradually reduced and the number of lines of a plurality of cans C having the same outer diameters are reduced, a relief part 5 is provided at a position in which the passage width should be twice larger than the outer diameters of the cans C to make the passage width larger than twice.