Mobile terminal and anti-spy method thereof

The invention relates to a mobile terminal and an anti-spy method thereof. The method comprises the following steps of: detecting current content displayed by a screen of the mobile terminal; and when the content or an application with privacy properties is detected, displaying a mask in a preset zone of the current screen of the mobile terminal so as to protect the current content displayed by the screen of the mobile terminal. Through the application of the technical scheme of the invention, the screen content of the mobile terminal can be protected, the cost is low, few system resources are occupied, the vision of a user cannot be limited, and great experience is brought to the user.