As a new trend of cultural heritage protection, digital technology has brought opportunities and challenges to the detection, protection and development of traditional villages. First, this article introduces the specific application of digital technology in the three stages of data collection, information processing and display and dissemination, and constructs the corresponding integrated application diagram, then summarizes the implementation obstacles in the protection process. Finally, a prospect is made for the development of digital protection of traditional villages. The results show that digital technology can provide a strong data foundation and flexible processing methods for the storage, restoration, display and dissemination of traditional village protection, and promote the transformation of single technology to multiple integrated applications.