Zhaozhou Bridge was one of the most famous bridges in ancient China, known as the "Millennium Iron Bridge", and one of the outstanding representatives of ancient Chinese bridge architecture. Zhaozhou Bridge was built during the Daye period of the Sui Dynasty. It was designed and built by the famous architect Li Chun. It used superb construction techniques such as iron beams and iron pillars. The stones and railings on the bridge were exquisite stone carvings. It was hailed as one of the treasure troves of ancient Chinese bridge architecture. The design and construction of the Zhaozhou Bridge reflects the wisdom and diligence of ancient engineers. They cleverly used materials and technology to create this amazing bridge. In the design of the Zhaozhou Bridge, the engineers had taken into account the height, width, length of the bridge, as well as the flow of water and water to ensure the safety and stability of the bridge. At the same time, the construction of Zhaozhou Bridge also reflected the exquisite skills of ancient engineering, including precise measurement and construction techniques, materials and craftsmanship. Zhaozhou Bridge is not only a bridge with a long history, but also a cultural heritage. It shows the wisdom and diligence of ancient Chinese engineers, as well as the technical level and cultural style of ancient society. We should cherish and protect cultural heritage such as Zhaozhou Bridge so that they can continue to play a role in modern society and bring convenience and well-being to people.