唐代诗人杜牧曾作过“长安回望绣成堆,山顶千门次第开。一骑红尘妃子笑,无人知是荔枝来。”的诗歌。这首脍炙人口的诗歌,讽刺唐玄宗为了买笑爱吃鲜荔枝的杨贵妃,动用国家驿站运输系统,不惜国家财政的血本从南方运送荔枝到长安。驿站,是国家出现以后,政府专门为传递公文和军情所设置的通信机构,至今已有4000多年历史,其建设和营运费用是国家财政的重要支出。早期的公文和军情,主要依靠人力步 Du Mu Tang Dynasty poet once made "Chang’an look back to piles, peak thousands of times the first open. This first popular poetry, satirical Emperor Xuanzong in order to buy laughter love fresh litchi Yang concubine, the use of national station transportation system, at the national financial capital of litchi shipped from the south to Chang. Since the advent of the state, the relay station has a history of more than 4,000 years and the construction and operation costs of the station are the major expenditures of the state finance. Early official documents and military intelligence relied mainly on manpower