To be apart of Wenchuan earthquake has been two years, and rebuilding in Wenchuan area has already obtained definite effects. For archival departments, preserving related data of Wenchuan earthquake is of great significance to later work locating, history study and experience reference. So the State Council published Wenchuan Earthquake Rebuilding Ordinance and clearly formulates that earthquake department and earthquake surveillance network should collect and preserve all pre-earthquake, middle-earthquake, post-earthquake materials and information to set up integrated archives. Furthermore, National Archives Bureau issued a document to the filing work of Wenchuan earthquake in specialty. In accordance with relevant documentation requirements, China Earthquake Administration has carried out the construction of Wenchuan earthquake information database. Then by drawing lessons from international advanced ideas and on the basis of multiple-entity model, it established a set of Wenchuan earthquake information database metadata specification to ensure the authenticity; integrity and long-term readability of the data and settle solid foundation for utilize work in the future.