To provide a plasma treatment apparatus capable of suppressing discharge of static electricity from an irradiation device.SOLUTION: The plasma treatment apparatus according to the present invention, includes: a plasma generation unit; an irradiation device 10 including a nozzle 1 for discharging at least one of plasma generated by the plasma generation unit and active gas generated by the plasma; and a static electricity removal unit 50a for removing static electricity from the irradiation device 10, when the irradiation device 10 is brought into contact therewith. The static electricity removal unit 50a includes a ground lead 53, and a conductive part 52 electrically connected to the lead wire 53, and the irradiation device 10 may be brought into contact with the conductive part 52.SELECTED DRAWING: Figure 4
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