Abstract: The present invention provides a method for extracting same-structured data, the method comprising the steps of: obtaining, by a computing device, text information corresponding to an attribute value of an object corresponding to a search target; searching for each of a plurality of tags included in a body range, and identifying a specific tag included in a specific tag aggregate and corresponding to the text information; when the specific tag does not have a sibling tag in another tag aggregate, searching for a specific item tag which i) is included in the specific tag aggregate, ii) corresponds to an upper tag of the specific tag, and iii) has a sibling tag in the other tag aggregate; and obtaining a plurality of predetermined tag aggregates, which are included in the body range while including an item tag corresponding to a sibling tag of the specific item tag, as an uppermost tag, and displaying a plurality of predetermined objects corresponding thereto.