The present invention provides a seasoning processing system capable of uniform seasoning and, moreover, having superior cleanability. A seasoning processing system (2) according to the present invention comprises a seasoning dispersion apparatus (20) and a vertical pillow-type bag manufacturing and packaging apparatus (30). The seasoning dispersion apparatus (20) disperses powdered seasoning to be adhered to supplied intermediate articles (X . . . X) from an end part (22b), which is a dispersing mouth, of a second conduit (22). The vertical pillow-type bag manufacturing and packaging apparatus (30) introduces and packages inside a bag shaped packaging material (Fc) seasoned articles (X2 . . . X2) to which the powdered seasoning has been adhered. Furthermore, the end part (22b), which is the dispersing mouth, of the second conduit (22) is provided and arranged so that it is positioned inside the bag shaped packaging material (Fc).