Abstract: A text reading guide method for an electronic device including a display screen and a storage unit is provided. The storage unit stores a database recording a number of feature values of images and a plurality of coordinates. Each set of coordinates corresponds to a display region and is associated with a feature value. The method includes the steps of capturing an image of finger of a user; extracting a finger image feature value from the captured finger image; searching the database to find a matching finger image feature value, and retrieving the coordinates associated with the finger image feature value; determining the display content on the display region corresponding to the retrieved coordinates; and displaying the determined contents in a manner of highlighting on the display screen. An electronic device using the method is also provided.