A powder coating apparatus includes an applying device that includes a charging and fluidizing unit charging and fluidizing a thermosetting powder coating material and applies the thermosetting powder coating material to a surface to be coated of an object to be coated while charging and fluidizing the powder coating material, a regulating device that regulates a thickness of a particle layer of the powder coating material applied to the surface to be coated of the object to be coated, and a heating device that heats the particle layer of the powder coating material to thermally cure the particle layer.