It has been said that forty-three percent of Koreans can be described as religious people. Religion plays an important role in recognizing a society, its history and the culture. For example, in order to understand the society of the Joseon Dynasty, it is necessary to understand Confucianism and Buddhism, which are the religions of the Joseon Dynasty. As such, religious discourse is an important resource as it contains the state of the society. Nevertheless, religious discourse has not been the subject of linguistic studies. This study is meaningful in that it studied religious discourse that has not been the subject of analysis until now. The purpose of this study is to analyze the structure. And identify the preaching discourses of pastors during religious discourses. First of all, As a result of the analysis, the structure of the discourse of sermon is '(1) Reading / Pray - (2) Greeting - (3) Example - (4) Explanation(Repeat number 3 and 4.) - (5) Suggestion - (6) Pray / Finishing'. To the next By using the Sejong Colloquial Corpus, this study compared key colloquial corpus with sermon discourse corpus and extracted key words. After extracting the key words, the speech characteristics of the sermon discourse were analyzed based on the key words. The utterance characteristics of the sermon discourse are 1) proprietary speech , 2) emphasized speech, 3) example speech, 4) cohesion speech, 5) ‘ought to’ speech, 6) change speech, 7) reverse speech, 8) purpose speech. The utterance characteristics of 'example speech' used for information delivery strategies. The utterance characteristics of ‘proprietary speech’, ‘emphasized speech’, ‘cohesion speech’, “‘ought to’ speech”, ‘change speech’, ‘reverse speech’, ‘purpose speech.’ used for persuasion strategies.