“子龙不特浑身是胆，殆浑身是智，为三分之完人欤。”赵云是非常具有典型性的一个人物，他历经不断形象演变终得到很高的评价。本文将在前人研究的基础上，回归文本阅读，并阐发新感悟，完成对两大课题的研究。其一，对赵云形象演变进行系统清晰地梳理；其二，对其形象演变成因进行浅析。可以得出，赵云的形象从历史本真到《三国演义》，有了全方位的拔高，而其原因可从三方面得出，首先是赵云自身具有被塑造的潜质；其次是作者将其作为自己的情感寄托；最后是读者能接受其形象演变的原因。

‘Zi long is not only brave but also full of wisdom. He is almost a perfect person in Three Kingdoms period.’ Zhao Yun is a very typical character in the history of literature. His image has been changed a lot and gets a really high evaluation. The thesis will be based on previous studies, return to text reading, and elucidate new opinions. We will complete the study of two topics. On one hand, summarize the image of Zhao Yun systematically. On the other hand, analyze the reasons that how it is caused. It can be concluded that the image of Zhao Yun is changed really great from the real history to Romance of the Three Kingdoms. There are three reasons that could cause it. Firstly Zhao Yun himself has the potential to be transformed. Then the author put him as his own emotional sustenance. Finally It is the reason why the readers can accept his change.