To provide an atmospheric pressure plasma treatment device, using two or more chambers to achieve continuous atmospheric pressure plasma treatments different in each chamber while obtaining a desired treatment effect.

A first chamber 4 and a second chamber 6 which are arranged adjacent are connected through a generally sealed type gas shutoff compartment 5 having at least a pair of shutoff rollers 51 inside the compartment. A film 10a is guided to travel between the pair of shutoff rollers 51 with abutting each shutoff roller 51 to the first chamber 4, and then to the second chamber 6.