The invention discloses a system for intelligently searching and treating information and relative method. Wherein, said system comprises a data intelligent treating subsystem, a processing database, an issue and manage module, a search database, and an intelligent search server subsystem, while the issue and manage module comprises a data issue and synchronize module, a data develop manage module; the inventive system can treat the data to divide the data into 12 kinds. Said method comprises: inputting search condition; pretreatment; dividing the search request into simple direct search, advanced integrated search, classified browse search, full-text search, and intelligent logic search, while the first three methods directly use the relationship search engine to search; the full-text search uses full search engine; the intelligent logic search uses logic relationship to recombine the inquire condition to search with the relationship search engine; after obtaining result, feeding back the search result.