A display device comprising a display module and an image acquisition module, the display module being arranged opposite to the image acquisition module, and the display module comprising: a cover glass, the cover glass having an outer surface forming an outer surface of the display module and the cover glass being configured to protect the display module, wherein a first region of the display module faces a photosensitive surface of the image acquisition module; a display component, configured for displaying in a display region, wherein the display region is divided into a second region and a third region outside the second region, the second region corresponds to the first region and is equal to or larger than the first region; a polarization component located between the display component and the cover glass and configured to filter ambient light reflected from the display component based on a polarization action in the third region; and an electrochromic component located between the cover glass and the display component adjacent to the polarization component and filling the second region, wherein the electrochromic component is configured to, based on an applied electric signal, present first transparency when the display module is in a screen-on state or the image acquisition module is in an image acquisition state and present second transparency when the display module is in a screen-off state, the second transparency being lower than the first transparency, wherein the display module further comprises: a touch component configured to detect a touch operation; characterized in that the touch component is located between the polarization component and the display component, in that the polarization component comprises a polarization substrate and a polarization layer arranged on the polarization substrate and having the polarization action, the polarization layer being located in the display region outside the second region, and in that the display module further comprises: a first transparent adhesive layer mutually adhering the touch component and the polarization component and located in the third region, wherein the first transparent adhesive layer has a first thickness which enables a first accommodation space to be formed between the touch component and the polarization substrate, and the electrochromic component is located in the first accommodation space. a cover glass, the cover glass having an outer surface forming an outer surface of the display module and the cover glass being configured to protect the display module, wherein a first region of the display module faces a photosensitive surface of the image acquisition module; a display component, configured for displaying in a display region, wherein the display region is divided into a second region and a third region outside the second region, the second region corresponds to the first region and is equal to or larger than the first region; a polarization component located between the display component and the cover glass and configured to filter ambient light reflected from the display component based on a polarization action in the third region; and an electrochromic component located between the cover glass and the display component adjacent to the polarization component and filling the second region, wherein the electrochromic component is configured to, based on an applied electric signal, present first transparency when the display module is in a screen-on state or the image acquisition module is in an image acquisition state and present second transparency when the display module is in a screen-off state, the second transparency being lower than the first transparency, wherein the display module further comprises: a touch component configured to detect a touch operation; characterized in that the touch component is located between the polarization component and the display component, in that the polarization component comprises a polarization substrate and a polarization layer arranged on the polarization substrate and having the polarization action, the polarization layer being located in the display region outside the second region, and in that the display module further comprises: a first transparent adhesive layer mutually adhering the touch component and the polarization component and located in the third region, wherein the first transparent adhesive layer has a first thickness which enables a first accommodation space to be formed between the touch component and the polarization substrate, and the electrochromic component is located in the first accommodation space. a touch component configured to detect a touch operation; characterized in that the touch component is located between the polarization component and the display component, in that the polarization component comprises a polarization substrate and a polarization layer arranged on the polarization substrate and having the polarization action, the polarization layer being located in the display region outside the second region, and in that the display module further comprises: a first transparent adhesive layer mutually adhering the touch component and the polarization component and located in the third region, wherein the first transparent adhesive layer has a first thickness which enables a first accommodation space to be formed between the touch component and the polarization substrate, and the electrochromic component is located in the first accommodation space.