Display device capable of achieving view angle switching, and display method and manufacture method of display device

The invention discloses a display device capable of achieving view angle switching, and a display method and manufacture method of the display device and belongs to the technical field of display. Thedisplay device comprises a display module and a guest-host effect box, wherein the guest-host effect box comprises a first substrate, a second substrate and a display dielectric layer; a first transparent electrode is arranged on the surface, toward the display dielectric layer, of the first substrate; a second transparent electrode is arranged on the surface, toward the display dielectric layer,of the second substrate; a first alignment film layer is arranged on the surface, toward the display dielectric layer, of the first transparent electrode; a second alignment film layer is arranged onthe surface, toward the display dielectric layer, of the second transparent electrode; when bias voltage is not applied to the first transparent electrode and the second transparent electrode, the display mode is a narrow view