661年（顯慶六年），廣州設立咗市舶使，負責總管海路邦交以及外貿呢啲事務，職權包括同啲埋港貿易船舶徵收關稅，代表朝廷採購入口貨品，管理商人進貢天子以及監理市舶貿易活動。
In 661 (the sixth year of Xianqing), Guangzhou established the city of Baohua, which was responsible for the administration of maritime relations and foreign trade, including collecting customs duties from some ships entering the port, purchasing imported goods on behalf of the imperial court, managing the tribute paid by merchants to the emperor, and supervising the trade activities of the city.