A mobile terminal, comprising: a body, comprising a first surface and a second surface arranged opposite to the first surface; a display screen, arranged on the body and located at one side of the first surface; and a functional assembly, comprising a rotating block rotatably arranged on the second surface and a camera located on the rotating block, wherein the rotating block comprises an inner surface, an outer surface, and an outer circumference connected between the inner surface and the outer surface; the inner surface is closer to the second surface relative to the outer surface and is capable of being rotated through a first position and a second position relative to the body; the camera is provided with a light entering surface located on the inner surface; when the rotating block is at the first position, a periphery of the rotating block is aligned with a periphery of the body, and the light entering surface is located in positive projection areas of both the display screen and the body on a rotating plane of the rotating block so as to be sheltered by the body and the display screen; and when the rotating block is at the second position, edges of the rotating block are staggered with edges of the body, and the light entering surface is located out of the positive projection areas of both the display screen and the body on the rotating plane of the rotating block so as to be exposed out of the body, wherein the functional assembly further comprises a telephone receiver having a sound outlet located on the inner surface; and when the rotating block is rotated from the first position to the second position, the sound outlet of the telephone receiver is exposed out of the area where the second surface is located, characterized in that when the rotating block is at the second position, the telephone receiver has a first projection on the inner surface; a length direction of the first projection is the same as a width direction of the body only when the rotating block is at the second position; when the rotating block is at the second position, the camera has a second projection on the inner surface; and a length direction of the second projection is the same as a length direction of the body only when the rotating block is at the second position. a body, comprising a first surface and a second surface arranged opposite to the first surface; a display screen, arranged on the body and located at one side of the first surface; and a functional assembly, comprising a rotating block rotatably arranged on the second surface and a camera located on the rotating block, wherein the rotating block comprises an inner surface, an outer surface, and an outer circumference connected between the inner surface and the outer surface; the inner surface is closer to the second surface relative to the outer surface and is capable of being rotated through a first position and a second position relative to the body; the camera is provided with a light entering surface located on the inner surface; when the rotating block is at the first position, a periphery of the rotating block is aligned with a periphery of the body, and the light entering surface is located in positive projection areas of both the display screen and the body on a rotating plane of the rotating block so as to be sheltered by the body and the display screen; and when the rotating block is at the second position, edges of the rotating block are staggered with edges of the body, and the light entering surface is located out of the positive projection areas of both the display screen and the body on the rotating plane of the rotating block so as to be exposed out of the body, wherein the functional assembly further comprises a telephone receiver having a sound outlet located on the inner surface; and when the rotating block is rotated from the first position to the second position, the sound outlet of the telephone receiver is exposed out of the area where the second surface is located, characterized in that when the rotating block is at the second position, the telephone receiver has a first projection on the inner surface; a length direction of the first projection is the same as a width direction of the body only when the rotating block is at the second position; when the rotating block is at the second position, the camera has a second projection on the inner surface; and a length direction of the second projection is the same as a length direction of the body only when the rotating block is at the second position.