Terminal information operating method and device and mobile terminal

The invention discloses a terminal information operating method and device and a mobile terminal. The terminal information operating method comprises obtaining all the fields corresponding to the information to be backed up of a terminal and generating a list of fields to be backed up; comparing the list of the fields to be backed up with fields contained in a preset standard list, and updating a preset eliminating list and a preset expansion list according to comparison results; copying the information to be backed up into the corresponding fields of the standard list, a current eliminating list and a current expansion list to generate backup files. The terminal information operating method and device and the mobile terminal can achieve complete backup of information of different systems and obtain a high backup speed and a high recovery speed.