The word image, Ci Hai, is explained as follows: 1, a representation. That is, the imaginary representation transformed from the memory representation or the existing perceptual image. In the process of literary and artistic creation, image, also known as "aesthetic image", is the processing and germination of experience materials provided by imagination in real life, forming an image in the author's mind. 2. Terminology of China ancient literary theory. Refers to the psychological image of the integration of subjective feelings with external objects and images. "Wen Xin Diao Si" by Liang and Liu Xie in the Southern Dynasties "Accumulate knowledge and store treasures, exercise theory and enrich talents, study poor photos and tame words; Then kill it, and find the sound method to determine the ink; A unique craftsman, looking at images and carrying Jin: this is Gavin's first skill, and it is particularly good. " After Ming and Qing dynasties, it refers to the feelings expressed by the author with the help of concrete foreign objects and metaphors.