1. A method for information identification, comprising: obtaining a card image by photographing of a collection area that is pre-set, when a request event for an information identification is detected; determining edge-size information of the card image obtained by photographing, marking a target area of the card image according to the edge-size information; and extracting an image of the target area; and determining character shapes to be identified in the image of the target area based on a pre-set character pattern library, and identifying a character corresponding to each character shape to be identified according to each character shape to be identified that is determined and according to the character pattern library.