1. A method of controlling a mobile terminal, the method comprising: displaying an operation screen on a display module configured to identify a fingerprint; selecting a locked operation menu corresponding to a multi-fingerprint-touch input from the operation screen when the multi-fingerprint-touch input is received via the display module, wherein the multi-fingerprint-touch input includes a first fingerprint-touch input for selecting a first icon from the operation screen and a second fingerprint-touch input for selecting a second icon from the operation screen, the first and second fingerprint-touch inputs received at the same time; unlocking and executing the selected locked operation menu when fingerprint information related to the multi-fingerprint-touch input is authenticated; and outputting a haptic effect indicating whether the fingerprint information is authenticated, wherein executing the selected locked operation menu comprises: performing an operation corresponding to the second icon with regard to the first icon when the first icon is an item icon and the second icon is a function icon, and performing a first operation corresponding to the first icon and a second operation corresponding to the second icon at the same time when the first icon is a first menu icon and the second icon is a second menu icon.