The possession of Ryukyu Islands together with Dividing line of East China Sea by Japan and the problems of Diaoyu IslandTaiwan and the First Archipelago of West Pacific arose by Japan has caused a great damage to the benefit of China.

• 日本吞并琉球，于今在东海划界、我国钓鱼岛争端、台湾问题以及西太平洋第一岛链的形成等问题上，都对中国的利益造成了极大的危害。