To clarify the current problems of digital memory project development. Avoid the potential risks of digital memory project development, and contribute to the long-term sustainable development of digital memory project.Through traversing famous digital memory projects at home and abroad and combining literature and online research, we summarize the overview of digital memory project development. Explore the practical problems in the current digital memory project development process. Propose corresponding countermeasures based on the problem-oriented approach. Although digital memory projects are opening up globally, there are shortcomings in many aspects such as personal privacy, funding supply, technology abuse, data openness, public participation, publicity and promotion. For this reason, specific countermeasures to deepen the development of digital memory project are proposed based on four dimensions: policy, resources, technology, and security.