由于西夏阻隔了西北的丝绸之路,加上经济中心的南移,从宋朝开始,东南沿海的港口就成为新的贸易中心。唐朝时期全国仅广州一地设有市舶司,负责外贸事务。宋朝先后在广州、临安府(杭州)、庆元府(明州,今宁波)、泉州、密州板桥镇、嘉兴府(秀州)华亭县(今松江)、镇江府、平江府(苏州)、温州、江阴郡(今江阴)、嘉兴府(秀州)澉浦镇(今海盐)和嘉兴府(秀州)上海镇(今上海市区)等地设立市舶司专门管理海外贸易。其中以广州、泉州和明州最 Since Xixia blocked the Northwest Silk Road and the southward shift of its economic center, the port along the southeast coast became the new trading center from the Song dynasty. In the Tang Dynasty, there was only one city department in Guangzhou, one in Guangzhou, responsible for foreign trade affairs. The Song Dynasty successively held several lectures in Guangzhou, Lin’an House (Hangzhou), Qingyuan House (Mingzhou, now Ningbo), Quanzhou, Banqiao Town in Mizhou, Huating County (now Songjiang), Zhenjiang House, Pingjiang House ), Wenzhou, Jiangyin County (now Jiangyin), Jiaxing Prefecture (Xiuzhou) Xupu Town (now Haiyan) and Jiaxing Prefecture (Xiuzhou) Shanghai Town (now Shanghai) and other places. Among them, Guangzhou, Quanzhou and Mingzhou most