二十世纪后半叶的中国唐史研究,是一个竞相跃动而又百家争鸣的前所未有时期,也是一个披荆斩棘而又步履艰难的走向转折时期。这种研究破除了十九世纪旧史学界回味古香、缠绵榜徨的沉闷局面,迎来了“百花齐放”的新气象。然而,它却是惊人的单调和贫乏。从史学突破的深度和拓展的广度去考察,如果没有理论作先导,就不可能放开视野开辟新路,获得生发鼓荡的发展。据此,我认定理论是中国唐史研究向前推进的根本动力,理论的生命 The study of Tang Chinese history in the second half of the twentieth century was an unprecedented period of vie with each other and a hundred schools of thought contested. It was also a period of transition that took the climatic and difficult steps. This kind of research has broken the dull situation of the old historians in the 19th century and has ushered in a new atmosphere of “letting a hundred flowers bloom”. However, it is amazingly monotonous and poor. From the depth of historical breakthrough and the breadth of expansion to examine, without the theory as a precursor, it is impossible to open up new horizons to open up new roads, access to germinal development. Accordingly, I believe that the theory is the fundamental motive force for the research on the history of Tang Chinese to go forward. The theoretical life