bet365 live casino games Exchange plays an important role in the history of civilization。Social exchanges in the Han Dynasty showed epoch -making historical progress，Executive History、Economic History、History of Life、The process of thought bet365 live casino games history has changed。This situation，pushing the historical progress and the improvement of social and cultural levels。Most of the unearthed information reflecting information reflecting the history of social communication at the time of Hexi，It can be seen from it that the national communication at that time、Urban and rural relationships、Military and civilian communication、Regional exchanges and bet365 best casino games different levels of communication at different levels of society。Discover、Understand and explain relevant information，It is beneficial to the cognition of deepening this period of historical and cultural research，Enrich our understanding of the history of the Silk Road。 

　　Keywords:unearthed information  Warring States  Qin Han  Communication  Hexi  Silk Road 

　　Author Prince Jin，Professor of National College of Renmin University of China (Beijing 100872)。