To provide a packaging for processed rice food, which can seal the processed rice food, e.g. rice ball, it packs.

This method is for producing a packaging composed of a front film 1 and two back films 2 and 3 for packing and sealing a triangular processed rice food A with a sheet-like food 5 put between the front film 1 and two back films 2 and 3, comprising steps of (a) placing the processed rice food A on the back films 2 and 3, (b) folding these films in such a way that the front film 1 comes outside the back films 2 and 3, to form a folded section B in contact with the processed rice food A, (c) sealing the processed rice food A, except its apex portion, with the front film 1 and two back films 2 and 3, except the folded section B, along the contour of the processed rice food A, and (d) sealing the portions of the front film 1 and two back films 2 and 3 that cover the apex portion of the processed rice food A.