Abstract: A data gathering and processing system capable of efficiently gathering data and easily putting gathered data to secondary use in various applications. The data gathering and processing system includes an XML file generation unit that generates a structured document with data describing the layout of a data entry screen that includes input data, an item extraction unit that extracts, as a search item, at least a tag name from the structured document with data, an XML database that stores, in association with at least a portion of the structured document with data, the search item extracted by the item extraction unit from the structured document with data, a search criteria setting unit that receives a search item and a search criteria from a searcher, and a search execution unit that searches the XML database based on the search criteria, and presents input data obtained as a search result or a data entry screen that includes the input data.