中国应是人类最早开展通讯的国家。著名的历史故事“烽火戏诸侯”表明早在西周,便以烽火为号,呼传军队。邮传的起始、发展、兴旺、衰落与古道紧密相伴。当时,没有电报、电话或其它任何电传手段。通讯只能依赖道路。《汉书》载:“立屯田于膏腴之野,列邮置于要塞之路。”说明早在汉朝,通讯已呈网络状态,十分发达。关于邮驿设施最详细的记载,莫过于镂刻于褒斜道石门的《畜(阝君)开通褒斜道》摩崖,明确记载:“始作桥阁六百二十二间,大桥五,为道二百五十八里, China should be the earliest country in human communication. The famous historical story ”flames opera princes “ shows that as early as the Western Zhou Dynasty, they will be the beacon of war, call the army. The beginning, development, prosperity, decline and closely follow the trail. At that time, there was no telegram, telephone or any other means of telefax. Communication can only rely on the road. ”Han“ contains: ”Li Tuntian in the field of plaster, column post placed in the fortress of the road.“ ”As early as the Han Dynasty, communication has been a network state, very developed. The most detailed records on the post office facilities, than engraved in the ramp ramp Shimen “livestock (Jun) opened praised ramp” Cliff, clearly recorded: "before the bridge for 622, Bridge 5, Road for two hundred fifty-eight,