"If you want to know the history of Luoyang, please only look at Luoyang City." 2022 is the 60th year of the official archaeological excavation of Luoyang City in the Han and Wei Dynasties. Since 1962, the Archaeological Research Institute of the Chinese Academy of Social Sciences has carried out scientific and systematic archaeological excavation and research on the Luoyang City site during the Han and Wei Dynasties. Over the past 60 years, with the continuous efforts of several generations of archaeologists, Luoyang City Site of the Han and Wei Dynasties has gradually swept away the dust and become the ancient capital site with the most abundant archaeological materials. Abundant Remains and Surveys. Cognition of Luoyang City. The site of Luoyang City in the Han Dynasty is located about 15 kilometers east of the downtown of Luoyang, Henan Province. It was built in the Western Zhou Dynasty. It was the capital of the Eastern Zhou Dynasty, the Eastern Han Dynasty, the Cao Wei Dynasty, the Western Jin Dynasty, and the Northern Wei Dynasty. It was abandoned in the early Tang Dynasty. In its 1600 year long history of building the city, the capital has been built for nearly 600 years. "Because of its long history and numerous dynasties, the relationship between various relics in the site is complex and difficult to identify, Only in this way can important archaeological information not be inadvertently lost or destroyed. "Through 60 years of archaeological work, the overall urban layout, changes of the times, architectural forms, shape evolution and functional zoning of Luoyang City during the Han and Wei Dynasties have become increasingly clear." Liu Tao said that today, Luoyang City sites during the Han and Wei Dynasties have made a series of important archaeological discoveries, such as the ritual architecture sites in the southern suburbs, the Jinyong City sites, the Yongning Temple sites, the Changhe Gate and the Palace City sites, These relics have greatly enriched people's understanding of Luoyang City during the Han and Wei Dynasties. The multi culture gathered here and stood on the Tongtuo Street, the site of Luoyang City in the Han and Wei Dynasties. The Mang Mountain in the distance undulated. Looking to the south bank of the Luohe River, the top of Wan'an Mountain loomed in the clouds, which was the "central axis" of Luoyang City in the Han and Wei Dynasties. Going north along this axis, the ruins of the Tai Chi Hall are firmly protected by a steel shed. "The capital city is the core material carrier of national culture, which most profoundly reflects the cultural characteristics of an era. Its core is the palace city, and the core of the palace city is the main hall of the Great Dynasty." Liu Tao said that the Taiji Hall, as the main hall of the Great Dynasty, is in the most prominent position at the center of the capital city and the end of the main axis, reflecting the traditional ideology and cultural heritage of "centering" in ancient China. "If the Chinese civilization is compared to the Yellow River, then the project of exploring the origin of the Chinese civilization is just like exploring the trickle at the starting point of the Yangtze River. The site of Luoyang City in the Han and Wei Dynasties is like the Xiaolangdi Reservoir, where diverse cultures converge, forming a wave of unique and powerful vitality and creativity, and then surging toward the downstream." Liu Tao said that with the Han and Wei Dynasties, the northern grassland nationalities gradually entered the Central Plains, The formation of the great integration of nomadic and agricultural nationalities has made the Luoyang City site of the Han and Wei Dynasties an important research carrier to explore the origin of Chinese civilization and the characteristics, process and causes of the formation and development of a unified multi-ethnic country, which has proved that the Chinese civilization has influenced the entire Eurasian continent and the grand historical process of China's unified multi-ethnic country from its formation to its strength through multiple integration. Northern Wei Dynasty as a nomadic prose in the north