汉代邮驿交通,不仅国内“每三十里置驿”,而且还和朝鲜、日本、伊朗、罗马等国打通联系。据《后汉书西域传》记载:在汉代打通与西域各国关系后,就“立屯田于膏腴之地,列邮置于要害之路,驰命走驿,不绝于时月”。足见汉代邮驿交通范围已相当广阔。公元前206年,汉高祖刘邦灭秦改建汉朝(公元前206年至公元24年为西汉,公元25年至 Han post office traffic, not only the domestic “every 30 miles Station”, but also with North Korea, Japan, Iran, Rome and other countries get in touch. According to “The Western Han Dynasty Biography” records: in the Han Dynasty and Western countries to open up relations with the Western Regions, on the “stand Tuntian in the area of ​​Gaixia, column postal placed on the crucial road, Chihiro Station, not without time”. It shows that the Han Dynasty Post Station traffic has been quite broad. In 206 BC, the emperor of the Han emperor Liu Bangqin Qin reconstruction of the Han Dynasty (206 BC to AD 24 for the Western Han Dynasty, AD 25 years