Since the 1980s, the study of pre-Qin (prior to BC 221) history in China has undergone a phase of intellectual liberation and advancement. In tandem with this development, Shen Changyun (沈长云) has articulated profound academic insights into numerous crucial aspects of pre-Qin history. His work is characterized by a pragmatic and innovative approach, a distinctive scholarly perspective, and rigorous research methodologies, thus yielding significant contributions to the field.In his exploration of the origins of the State and other significant topics, Shen not only adheres to the fundamental tenets of Marxist historical materialism but also advocates for the integration of theory and practice. He also embraces Service R. Elman’s chiefdom theory and incorporates the latest archaeological discoveries. As an early proponent of the Wunu school, which challenges the presence of slavery in Chinese history, Shen posited that ancient China differed from Greece and Rome. While acknowledging some presence of a slave economy, he argued that it did not dominate society. China’s ancient social evolution, he argued, aligns more closely with the Asian mode of production. Shen contended that China transitioned directly from a consanguineous clan organization to an early state form, with clan and tribal leaders evolving from “public servants” to the ruling class. This “isomorphism of family and state” became the foundation of monarchy in the imperial era. Regarding the origins of the three ancient Chinese dynasties of Xia (BC 2070~BC 1600 )，Shang (BC 1600-BC 1046) and Zhou (BC 1046-BC 256), Shen affirmed the existence of the Xia Dynasty and traced its rise to the ancient Heji (河济) area. He posited that the Shang nationality originated in the Jinzhong (晋中) area, and he argued that the Zhou and Xia people had no clanbased inheritance relationship; rather, he claimed that the Zhou nationality stemmed from the Baidi ethnic group. Shen’s meticulous attention to textual research and his collation of classical documents, particularly his work on Guoyu Jijie (Commentaries on Discourses of the States), stands as a crucial reference for scholars, both domestically and abroad, studying the history of the Spring and Autumn Period（BC 770-BC 476）.