A method and apparatus for unlocking a mobile terminal. The method comprises acquiring file names of a plurality of user files on an online hard drive; a mobile terminal placing the file names and a search box on a lock-screen page of the mobile terminal; the mobile terminal determining whether to unlock the mobile terminal based on the user's operation on one file name among the plurality of file names and the search box; and if so, the mobile terminal performing unlocking and opening a file corresponding to the file name on the online hard drive. The present invention enables users to implement functions such as unlocking of a mobile terminal and opening of an online hard drive file, which require several complicated operations in the prior art, through simple operations such as dragging, thereby saving users' time and enhancing user experience.