Abstract: The disclosure discloses a method and device for switching a user mode of an intelligent terminal, and an intelligent terminal, the method comprises: adding a user mode switch control to a folder display interface of the intelligent terminal; displaying a lock password input interface when a user opens any folder in the intelligent terminal and triggers the user mode switch control in the normal mode; storing an input lock password, and switching to the locked mode, after the user inputs the lock password in the lock password input interface; displaying an unlock password input interface when the user triggers a mode unlock button in the locked mode; and determining whether an input unlock password is the same as the stored lock password, and if the same, then exiting the locked mode and returning to the normal mode; otherwise, remaining in the locked mode.