隋唐时期,随着东北重镇幽州(今北京)的逐渐崛起,高丽、渤海国(粟末靺鞨与高丽人所建,位于今东北境内)乃至日本的商人,来幽州贸易或借道幽州,前往洛阳、长安经商。辽金时期,由于幽州先为辽的陪都(南京),后为金的国都(中都),来自东亚 Sui and Tang dynasties, with the gradual rise of the Youzhou (now Beijing) northeastern city, Korea, Bohai State (built by the Supramoideae and the Koreans, located in the northeastern region of Japan), and even Japanese merchants, you come to Youzhou to trade or take refuge in Youzhou , To Luoyang, Changan business. In the Liao and Jin dynasties, since Youzhou was the capital of Liaoning Province (Nanjing) and later the capital of China (Zhongdu), it was from East Asia