"Digital Humanities" emerged in the rapid development and evolution of digital technology,and with its characteristics of open innovation,it has gradually developed into a global academic trend.At the same time,with the development of socialist democracy and the spread of the theory of audience participation,more and more people participate in the file information service,and the new mode of participatory file information service appears.Under the background of Digital Humanities,the innovation mode of participatory archives information service fully embodies participation and interaction,which confirms the development trend of personalized,intelligent and decentralized information service.Users are no longer the passive recipients of file information services,but start to become active participants.The concept of Digital Humanities and participatory archives information service is very consistent.With the continuous promotion of Digital Humanities technology and practice,especially the application of emerging technologies such as "5g,blockchain,artificial intelligence and industrial Internet",the integration of Digital Humanities and archives information service is deepening.Under the background of Digital Humanities,the research on participatory archival information service conforms to the development trend of digital era and democratic trend,which is conducive to further improving the quality of archival information service,improving the user service experience,and promoting the access of archival information service to a larger user group.At the same time,it is also conducive to promote the integration of Digital Humanities and archives information services,give full play to the valuable value of archives information,and further expand the social influence of archives.First of all,the paper reviews the development of Digital Humanities at home and abroad,and summarizes the existing archives information service and participatory archives information service theory.Secondly,on the basis of previous studies,it explains the concept,content and characteristics of Digital Humanities and participatory archives information service.Then,based on the SWOT analysis method,the paper analyzes the development advantages,disadvantages,opportunities and challenges faced by the participatory archives information service in the context of Digital Humanities,mainly focusing on policies and regulations,resource construction,technical platform,user needs and other aspects.Thirdly,this paper attempts to build a participatory archives information service model under the background of Digital Humanities from the service subjects,archives users and service platform modules,aiming at the multi-level integration of Digital Humanities and participatory archives information service.Finally,based on the previous content,from the perspective of archives policies and regulations,archives information security,resource platform construction,multiple communication and cooperation,this paper puts forward several constructive strategies for the development of participatory archives information service in the context of Digital Humanities.