A foldable device, comprising: a housing comprising a rear panel, and a frame connected to a front side of the rear panel and surrounding the rear panel; and a display screen component comprising: a display screen comprising a first display portion having a rear wall and a second display portion, the first display portion being connected with the second display portion, and configured to be foldable with respect to the second display portion; and a camera coupled to the rear wall, wherein the camera is configured to be moved as the first display portion is folded or unfolded with respect to the second display portion, wherein the display screen is received in the housing and has a side peripheral wall fitted with the frame, and the camera is located between the display screen and the rear panel and configured to capture an image through the rear panel, wherein the first display portion has an area smaller than an area of the second display portion; when the first display portion is folded with respect to the second display portion, a part of the second display portion that does not overlap the first display portion in a direction perpendicular to the first display portion is configured as an exposed portion; and the exposed portion is configured to display image information acquired by the camera when the first display portion is folded with respect to the second display portion, wherein the housing comprises a first housing portion and a second housing portion rotatably connected to each other; the first display portion is assembled in the first housing portion, and the second display portion is assembled in the second housing portion; and the camera is configured to capture an image through a rear wall of the first housing portion, characterized in that the rear panel of the housing is provided with a rear display screen at a rear side of the rear panel, the rear display screen has a rear display portion, and the rear display portion is configured to provide a user with display information and to be operated by the user, when the first display portion is folded with respect to the second display portion, the rear display portion is further configured to present the image captured by the camera together with the exposed portion, when the first display portion is folded with respect to the second display portion. a housing comprising a rear panel, and a frame connected to a front side of the rear panel and surrounding the rear panel; and a display screen component comprising: a display screen comprising a first display portion having a rear wall and a second display portion, the first display portion being connected with the second display portion, and configured to be foldable with respect to the second display portion; and a camera coupled to the rear wall, wherein the camera is configured to be moved as the first display portion is folded or unfolded with respect to the second display portion, a display screen comprising a first display portion having a rear wall and a second display portion, the first display portion being connected with the second display portion, and configured to be foldable with respect to the second display portion; and a camera coupled to the rear wall, wherein the camera is configured to be moved as the first display portion is folded or unfolded with respect to the second display portion, wherein the display screen is received in the housing and has a side peripheral wall fitted with the frame, and the camera is located between the display screen and the rear panel and configured to capture an image through the rear panel, wherein the first display portion has an area smaller than an area of the second display portion; when the first display portion is folded with respect to the second display portion, a part of the second display portion that does not overlap the first display portion in a direction perpendicular to the first display portion is configured as an exposed portion; and the exposed portion is configured to display image information acquired by the camera when the first display portion is folded with respect to the second display portion, wherein the housing comprises a first housing portion and a second housing portion rotatably connected to each other; the first display portion is assembled in the first housing portion, and the second display portion is assembled in the second housing portion; and the camera is configured to capture an image through a rear wall of the first housing portion, characterized in that the rear panel of the housing is provided with a rear display screen at a rear side of the rear panel, the rear display screen has a rear display portion, and the rear display portion is configured to provide a user with display information and to be operated by the user, when the first display portion is folded with respect to the second display portion, the rear display portion is further configured to present the image captured by the camera together with the exposed portion, when the first display portion is folded with respect to the second display portion.