Methods, apparatuses, and client terminals for displaying user specified information of a data item. The method includes determining a user operation associated with a target data item on a data item display page; obtaining item information of the target data item from at least one data source when an instruction satisfying a preset trigger condition; determining user specified information of the target data item based on the item information; generating an information interface based on the user specified information; and displaying the information interface on the data item display page. The methods, apparatus, and client terminals, provided in example embodiments of the present application can lower the cost of decision making based on information noise reduction, optimize user data item information interactive experience, and improve user data item purchasing experience.