Abstract: The paper studied on the course of information processing in which primaryschool students summarized themes of two types of narration. The whole research wasdivided into, the author studied the characteristics of the students indifferent grades when they read articles both in the condition with the definite task ofsummarizing themes and in the condition without the task. In the second step, byanalysing the oral report of summarizing themes, the author studied the activity ofthe information processing when the students summarized themes. According to theexperimental demand, the subjects were elected from a processing, that is, the languagethe research program. The results showed: 1. The reading course of the juniorstudents was mainly a single activity of information processing, that is the languagedecoding, and the course of the senior students were two kinds of activities, that is ,language decoding and reading organization. 2. By analysing the data of oral thinkingby which the students of different levels summarized the ifferent types of arration,it showed that the course in which the students of the primary school summarized thenarration themes went through four kinds of information processing, which werelanguage decoding, reading organization, arragement and the concentration of theproposition net of the article, and verification and adujustment. The courses in whichthe students summarized the themes of the two rpresentative types of narration , oneof which depicted its figure by one instance and the other of which depicted its fig-ure by several instances, were roughly the same, but there were some duifferences inthe concrete course of the arrangement and the concentration of the proposition netwhich was the key link.

Key words: reading, summarizing of themes, course of information processing