洪武末年,由于朝鲜向明朝传送的外交文书中存在文辞等方面的问题,明与朝鲜发生了四次外交争端。实际上,外交文书问题是两国在辽东地区利益冲突的外在表现形式。 At the end of Hongwu period, there were four diplomatic disputes with North Korea due to the problems of diction and so on in the diplomatic documents transmitted by North Korea to the Ming Dynasty. In fact, the issue of diplomatic documents is an external manifestation of conflicts of interest between the two countries in the Liaodong area.