This thesis takes Chinese and Korean dietary vocabulary, namely Chinese ‘饭’ and Korean ‘밥’ as the research object. From the perspective of cognitive linguistics, it is a detailed comparative analysis. In the overall structure of the thesis, the similarities and differences between the Chinese ‘饭’ and Korean ‘밥’ conceptual domains are compared from the concept domain and the concept type. The reference example data in the corpus of Chinese and Korean is cited and used as the basis for the analysis of the thesis. It mainly focuses on the conceptual metaphor phenomenon and the specific metaphorical concept types in the metaphor mapping process from Chinese to the target domain in Chinese ‘饭’ and Korean ‘밥’. It summarizes the commonality and personality characteristics of Chinese ‘饭’ and Korean ‘밥’ in the process of metaphor mapping. This provides a meaningful reference for the cognitive semantic research of Chinese and Korean dietary vocabulary.