This plan was aimed at producing the following three effects at the same time: Reducing the power of the lords in the west part of Japan through mobilizing them to attend to Tsushinshi, exhibiting the prestige of the bakufu, and reducing the cost burdened by the bakufu through canceling the procession between Osaka and Edo.
西国大名を接待に動員することで大名の勢力削減をおこない、一方で幕府の権威を示し、かつ大坂・江戸間の行列を圧縮することにより幕府の経費を節減できるという一石三鳥の効果を狙ったものである。