With the unique self-developed digital twin engine of UINOcompany, the Ningtiaota project carry out holographic digital modeling of Ningtiaota Park, combined with IOT, AI, knowledge map technologies, and with a new digital twin visual management of "what you see is what you get”, it realize the comprehensive management and control of the whole process, whole application and whole data, to create a safe, green and comfortable park environment for the employees of the park.