Abstract:Milan Site is the former site of Shanshan Yixun City, which is a national key cultural relics protection unit with high historical, social and artistic value. The site of Milan is mainly composed of garrisons in the Tang Dynasty, surrounded by beacon cherts, Tuntian Relics in the Han Dynasty, temples in the Wei and Jin Dynasties, etc. The construction period spans from Han to Tang Dynasties. Under the leadership of the central government, the architectural remains of the Milan site have obvious cultural characteristics of construction in the Central Plains, showing its multicultural connotation of integrating the East and the West under the unified pattern.