1. A system for metadata searching, comprising: a receiving module configured for receiving a search query with respect to a plurality of metadata resources, the search query designating textual information in metadata resources without designating all the structural information among metadata resources; a query module configured for parsing the search query and for searching related metadata resources and the structural information among the related metadata resources according to the parsing of the search query to form search results, the search results including the complete structural information among the related metadata resources; and an output module configured for outputting the search results so as to realize a fuzzy structural search with respect to the plurality of metadata resources.