This paper systematically reviews the main content and academic contributions of Conceptual Metonymy - Methods, Theory and Description. As Volume 60 of the "Human Cognitive Processing" series, this book collects research findings on metonymy from the 12th International Cognitive Linguistics Conference. Through detailed analysis, this paper highlights the book's significant value in several aspects: First, the metonymy corpus and its 14-field description system established by Barcelona's team laid the methodological foundation for metonymy typology research; Second, the book's in-depth discussion of metonymy properties reveals characteristics such as the contingency and indexicality of metonymic reasoning, as well as the dual role of metonymic source in conceptual integration; Third, through multilingual empirical research, it demonstrates the universality of metonymy in constructional development, emotion construction, lexical morphological changes, and sign language construction, while highlighting metonymy's emotional, evaluative and social functions. This book not only advances the theoretical depth of metonymy research but also points out directions for future research, such as metonymy inhibiting factors and cross-linguistic metonymic features that still require further exploration.