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The application of digital technology in the field of landscape architecture heritage protection is becoming more and more mature and complex. How to select and apply technology for the corresponding landscape architecture heritage objects has become a common problem in the direction of landscape architecture heritage protection. Taking the literature on “landscape architecture heritage protection” published in CNKI and the Web of Science Database in the last 10 years (2012–2021) as the research object, we clarify the objects of landscape architecture heritage protection and their digital technology and summarize three types of digital technologies in the field of landscape architecture heritage protection: collection and acquisition technology, storage and management technology, and dissemination and sharing technology. Secondly, the main application objects and digital methods of each technology are described by classification. Thirdly, the main application methods in the field of landscape architecture heritage protection are summarized, e.g., repair recovery and risk monitoring. Accordingly, the digital development process of landscape architecture heritage protection in recent years is discussed, and there are three main stages, data precision, information systematization, and smart management. Future studies should pay more attention to the co-building and sharing of heritage information and to the common protection of heritage entities and cultural emotions. Discussion on the classification and application of digital technology based on landscape architecture heritage protection will help to present a clear context for the research and practice of digital technology in the field of landscape architecture heritage protection and contribute to implementing the protection and management of landscape architecture heritage more pertinently and efficiently.
Zhang et al. (Fri,) studied this question.