The transformation of YAN Dehui's sculptural practice reflects the process of Chinese sculpture transitioning from traditional to modern, showcasing the interactive relationship between modern sculpture and the ideological currents of different periods. This article analyzes the visual forms of YAN Dehui's sculptures from the 1920s to the 1940s, revealing the modernity shift in Chinese sculpture during this period. Additionally, the division method of the "four major isms" of modern Chinese art is used for a case study on YAN Dehui, highlighting the contradictions and complexities of the early modern Chinese sculpture transition through the artist's individual artistic practice.