Method and apparatus for providing intelligent service using inputted character in a user device

The present invention relates to a method and apparatus for providing an intelligent service using input characters in a user device, which can recognizes a command corresponding to a character inputted through a keypad (or a keyboard) of the user device and processes (e.g., acquire) and feeds back related information corresponding to the recognized command to a user. The service providing method using the keypad according to the present invention comprises the steps of: displaying a text box and a keypad on an executed screen; inputting a start identifier according to a selection of a smart conversion button of the keypad; inputting a command after the identifier; inputting a termination identifier after the command; performing an intelligent service according to the command when the termination identifier is inputted; and outputting a result corresponding to the intelligent service to the text box. [Reference numerals] (2601) Display a text box and a keypad; (2603) Input a start identifier; (2605) Input a command; (2607) Input a termination identifier; (2609) Perform an intelligent service; (2611) Output a result in the text box; (AA) Start; (BB) End