The purpose of dispatching envoys and presenting tribute seems to have been to develop a political diplomacy with the other powers in the mid-western part of Japanese archipelago and Korean peninsula with the help of the prestige of the Southern Dynasty, as well as absorbing the civilization and caulture of the Chinese continent.
使いを遣わして貢物を献じた目的として、中国大陸の文明・文化を摂取すると共に、南朝の威光を借りることによって、当時の日本列島中西部の他の諸勢力、朝鮮半島諸国との政治外交を進めるものがあったと考えられる。