Their objectives were to defeat Hensho who abused their powers, and to persuade the Korean Dynasties to change their repressive policy over the kokyowa, such as trade restrictions, or the execution of the right to judge criminal cases and the power to levy taxes over the kokyowa.
彼らの目的は、強硬な取締りを行った辺将を討取り、朝鮮王朝の行なった交易の制限、恒居倭に対する検断権・徴税権の行使といった倭人抑圧政策の変更を迫る事にあった。