以地下发现之新材料与纸上之材料相互释证来考证古史,自二十世纪初期始已成为一种重要的治史观念与方法,凡治史者无不重视对传世文本与出土文献这两种资料的利用,也极重视二者对勘互证的研究方法。考古实物和出土文献既可弥补传世文献之阙,亦可纠正传世文献的错讹。囿于传世文献的不足,治唐宋之前历史的学者或多或少都会采用这种研究路径,而其中堪为楷模之一的则是杨际平先生。他浸淫经济史研究多年,从早期利用敦煌吐鲁 The research on the history of the ancient texts is based on the mutual proof of the new material found in the underground and the material on the paper. Since the beginning of the twentieth century, it has become an important idea and method of the history. All the historians attach importance to the handed down texts and unearthed documents The use of two kinds of information, but also attaches great importance to the two methods of exploration and mutual evidence. Archeology and unearthed literature can not only make up for the lack of literature handed down, but also correct the errors of handed down documents. Due to the lack of literature, the history scholars before the Tang and Song dynasties adopted this research route more or less. Among them, one of the exemplary models was Mr. Yang Jiping. He steeped in economic history for many years, from the early use of Dunhuang, Turpan