宋代以后,中国的海外民间贸易活跃起来了,在东亚海域主要的外销市场是日本。其主要贸易港口就是日本九州地区北部的福冈市博多港,尤其是宋代为日本唯一的。通过30多年来该地区的考古发掘,出土了大量的外销陶瓷,其数量、种类都为其他地方所远远不及,显示了“博多 After the Song Dynasty, China’s overseas non-governmental trade was flourishing. Japan’s main export market in the East Asian seas was Japan. Its main trading port is Hakata Port in Fukuoka City in the northern part of Kyushu, Japan, and the Song Dynasty is the only one in Japan. Through more than 30 years of archaeological excavations in the region, a large number of export ceramics have been excavated, whose quantities and types are far behind those in other places, indicating that ”Hakata