Zhengding, Hebei is a national historical and cultural city. Zhengding County adheres to the principle of prioritizing protection, adhering to the correct concept of ancient city protection, and comprehensively protecting historical and cultural heritage in accordance with the requirements of authenticity, integrity, and continuity. Adhere to rational utilization, promote the restoration and improvement of the ancient city's style, deepen the integration of culture and tourism, and embark on a path of inheritance and innovation. At an archaeological site south of Kaiyuan Temple in the ancient city of Zhengding, visitors can use a glass cover to see the cultural and stratigraphic relics accumulated from seven historical periods since the Tang Dynasty, including ancient wells, ancient city walls, and ancient streets and alleys. They can immerse themselves in the scene and touch the roots of the city at a glance. In recent days, the cultural and tourism department of Zhengding County has been working to introduce digital means to bring this historical site to life. In the Zhengding Museum, there is a replica of Yan Zhenqing's "Sacrifice to the Nephew Manuscript" displayed. This ancient Chinese calligraphy masterpiece not only tells the story of Yan Gaoqing's family who sacrificed their lives to defend their country, but also conveys the indomitable spirit of the Chinese nation. The patriotic poet Wen Tianxiang of the Southern Song Dynasty wrote a line in his "Song of Righteousness" commemorating Yan Gaoqing, which reads "For Yan Changshan Tongue.". Nowadays, Zhengding, a millennium old county, is reviving its northern style and becoming a new popular cultural and tourism destination in the Beijing Tianjin Hebei region and even across the country. At present, the cultural and tourism department of Zhengding County is conducting a survey of the ancient city wall in the county town, and a new phase of ancient city wall protection work is about to start. The protection and restoration of the ancient city wall is one of the core tasks of the protection of Zhengding Ancient City. Zhengding adheres to the overall tone of "focusing on current state renovation and site protection display, supplemented by overall restoration", does not blindly rebuild, does not demolish old buildings and build new ones, emphasizes protection and light packaging, emphasizes the whole and light intervention, does not engage in large-scale demolition and construction, and carefully takes care of the "authenticity" of the ancient city. In order to preserve the original architectural style and style of the streets and alleys to the greatest extent possible, Zhengding has upgraded and renovated the small streets and alleys in the main urban area according to the principle of "minimal intervention and maximum preservation", optimized the spatial layout, improved the living environment, and improved public facilities. It has successively created characteristic tourist blocks such as Nanguan Ancient Town, Wangquan Ancient Street, and Yanghelou Block, which have not only become a common destination for local residents' daily consumption, but also a leisure consumption check-in spot for tourists. Wang Junhong, Secretary of the Zhengding County Party Committee of Shijiazhuang City, stated that further stimulating the vitality of the ancient city, enhancing its visibility and attractiveness, accelerating the transformation of cultural advantages into development advantages, continuously empowering high-quality development, and continuously enhancing the people's sense of gain, happiness, and security. (Lai Xin She)