：Information sharing and utilization of heterogeneous archive database still remained on a low level and the quality and efficiency need to be further improved. Heterogeneous information integration and retrieval involves many methods and technical difficulties. This paper illustrates the profile information based on semantic integration of heterogeneous, XML EAD file-based information and its application of the ontology and also explains the platform for different file structures and semantic heterogeneity of semantic heterogeneity, including field mapping, data de-emphasis, unity and other acronyms. It is concluded that the increased quality of archival information resources sharing and utilization will promote the development of relevant standards and improvement.