烽火连三月，家书抵万金。居延汉塞出土的邮书档案，为我们提供了那一时期邮书的传递方式及管理方法。居延汉简，其内容除了与日常生活密切相关的边塞屯戍文书之外，还有与之相伴而存在的邮书档案，即汉简中常见到的“邮书课”。“邮书课”在今天被看作汉简中有关邮书传递记录 Even in March flames, home book arrived million gold. Ju Yan Han Cypriot unearthed postal archives, to provide us with the time of the postal delivery methods and management methods. Juyan Jane, whose content is closely related to the daily life of the Frontier Tun garrison, as well as accompanying the existence of the postal archives, Han Jian often seen in the “postal class.” Today, the “mail class” is regarded as a related record in the Han Dynasty