The disclosure relates to an interface display method and device, and relates to the electronic equipment technical field; the method detects input information of the present display interface, if the detected input information is assigned information, the present display interface is determined to the display interface under a normal mode; all applications installed under the normal mode have access rights; if the present display interface is the display interface under normal mode, the assigned information is determined whether to comply with preset conditions; if the assigned information complies with preset conditions, the present display interface is switched to the display interface under a private mode, i.e., when the assigned information detected in the display interface of the terminal under the normal mode complies with the preset conditions, the present display interface can be automatically switched to the display interface under the private mode; no user manual operation is needed, thus improving operation conveniences.