1996年，中国当代著名作家余华创作小说《许三观卖血记》。2015年1月15日,韩国河正宇导演的电影《许三观》（据小说改编）在韩国首映。本文将通过文献分析法、对比法与分析法细读小说和电影两部作品,为小说的读者与电影的观众比较两部作品的异同点以及同样的情节中两个国家的时代背景与文化等的异同，仔细分析许三观每次卖血的次数与原因，并研究对许三观而言“血”有什么意义，深层研究在作品里“血”的线索功能及意义呈现。

In 1996, the famous Chinese contemporary writer Hua Yu wrote his fiction On January 15, 2015, the film G of the adapted novel directed by Korean actor Jungwoo Ha was premiered in Korea. The writer will finish this article through methods ofliteraturale analysis, comparison and analysis of reading the novel and movie. The article aims to tell the same or different points to the readers of novel and audience of movie by comparing and analyzing two productions, and make them understand the similarities and differences of the backgrounds and cultures of the two countries in the same story. The article will also show analysis of Xu Sanguan's number of times and reasons for selling his blood, trying to figure out what the meaning of blood to Xu Sanguan is.An in-depth research on the function of clue and significance of "blood" in those productions will also be included in this writhing.