中文摘要：

本文首先以“西学东渐”为线索，对我国的情报事业进行了梳理，并将其分为三个阶段：基于军事与哲学的情报事业阶段；基于科技与图书的情报事业阶段；以及基于信息与知识的情报事业阶段。同时，分析归纳出了我国情报事业在经历了辉煌而悠久的古代阶段以后，经历了三次“西学东渐”。最后，本文对我国情报事业的“西学东渐”进行了反思，提出了当前我国情报界在“西学东渐”中应注意的问题。

英文摘要：

The paper examines the history of China＇s intelligence undertakings via the ＂Western Learning Flowing toward the East＂ concept. It examines three historical eras： the era based on war and philosophy; the era based on science ＆ technology and literature; and, the era based on information and knowledge. The paper concludes that China＇s intelligence undertaking has experienced the ＂Western Learning Flowing toward the East＂ three times since 1840. The paper still puts forward proposals for China＇s intelligence undertakings in the future.