The discovery confirmed the theory of ancient Japanese texts that groups of people from southern China over 10,000 years ago migrated north along the Kuroshio, with some stopping in Taiwan while others continued to Japan.
日人以為這也印證了日本古書（古事記、日本書記）的記載：一萬多年前，中國南部的柳江化石人曾順著黑潮向上遷徙，途中經過台灣，部分人就在寶島定居，其他則繼續前行至日本南方登陸，這也是日人祖先由來之一。