A method for logging in to an application program of an electronic device presets a plurality groups of account information of the application program, and presets fingerprints corresponding the plurality of groups of account information in a storage device. When the application program is executed and a user interface of the application program is displayed, the method receives fingerprint data input. When the received fingerprint data matches one of the fingerprints, the method further confirms a group of account information corresponding to the matched fingerprint, and logs in to the application program using the confirmed account information.