中文摘要：

文章以中图分类号为检索条件，获取中国知网（CNKI）中2009--2012年间宗教学文献的引文和被引的相关数据，计算了宗教学子学科的学科引用半衰期与学科被引半衰期，并讨论了宗教学及其子学科文献的老化情况。在此基础上，分析了影响我国宗教学文献老化的主要因素以及该学科科学研究的发展现状。

英文摘要：

The paper illustrates the document obsolescence phenomenon of Chinese religion studies by the calculation and analysis of discipline half-life. The study grasps the citing and cited data from 2009 to 2012 on China National Knowledge infrastructure based on Chinese library classification. Then the paper discusses the document obsolescence of the Chinese religion studies and its sub-discipline. On this basis, the article also analyzes the main factors which influence documents obsolescence of Chinese religion studies and shows the development of this discipline.