wo is literature review. In this part it mainly provides the definition of nominalization, then a brief introduction to a variety of research directions on nominalization and the research achievements on nominalization. In the es a theoretical framework for the present study of nominalization in English cosmetic advertising texts.РPart three is the body of the thesis. It focuses on the analysis of nominalization in English cosmetic advertising texts from the perspective of grammatical metaphor in systemic-functional linguistics. In this part, ideational functions, interpersonal functions and textual functions are studied in English cosmetic advertising texts.РPart four is the conclusion. It summarizes the major findings of the study. It also puts forward the suggestion for future research.