A mobile terminal comprising: • a camera, a display screen, a control module, and two physical buttons (103a, 103b), wherein a first physical button of the two physical buttons is a volume-up button and a second physical button of the two physical buttons is a volume-down button, wherein the first physical button and the second physical button are disposed on a housing of the mobile terminal, wherein • the control module is configured to: ∘ turn on the camera to get ready for photo shooting when a time interval the volume-up button is continually pressed reaches a first preset time duration,, wherein the pressing operation of the volume-up button is detected when the mobile terminal is locked, and control the camera to, for performing the photo shooting, continually shoot a preset quantity of photos when the total time interval the volume-up button is continually pressed reaches a second preset time duration, the second preset time duration being larger than the first preset time duration; ∘ turn on the camera to get ready for video shooting when a time interval the volume-down button is continually pressed reaches the first preset time duration, wherein the pressing of the volume-down button is detected when the mobile terminal is locked, and control the camera to perform the video shooting for a third preset time duration when the total time interval the volume-down button is continually pressed reaches the second preset time duration; • wherein the control module is further configured to: ∘ increase a preset volume value of sound made by the mobile terminal when the mobile terminal is unlocked and each time the volume-up button is pressed, and ∘ decrease the preset volume value of sound made by the mobile terminal when the mobile terminal is unlocked and each time the volume-down button is pressed. • a camera, a display screen, a control module, and two physical buttons (103a, 103b), wherein a first physical button of the two physical buttons is a volume-up button and a second physical button of the two physical buttons is a volume-down button, wherein the first physical button and the second physical button are disposed on a housing of the mobile terminal, wherein • the control module is configured to: ∘ turn on the camera to get ready for photo shooting when a time interval the volume-up button is continually pressed reaches a first preset time duration,, wherein the pressing operation of the volume-up button is detected when the mobile terminal is locked, and control the camera to, for performing the photo shooting, continually shoot a preset quantity of photos when the total time interval the volume-up button is continually pressed reaches a second preset time duration, the second preset time duration being larger than the first preset time duration; ∘ turn on the camera to get ready for video shooting when a time interval the volume-down button is continually pressed reaches the first preset time duration, wherein the pressing of the volume-down button is detected when the mobile terminal is locked, and control the camera to perform the video shooting for a third preset time duration when the total time interval the volume-down button is continually pressed reaches the second preset time duration; ∘ turn on the camera to get ready for photo shooting when a time interval the volume-up button is continually pressed reaches a first preset time duration,, wherein the pressing operation of the volume-up button is detected when the mobile terminal is locked, and control the camera to, for performing the photo shooting, continually shoot a preset quantity of photos when the total time interval the volume-up button is continually pressed reaches a second preset time duration, the second preset time duration being larger than the first preset time duration; ∘ turn on the camera to get ready for video shooting when a time interval the volume-down button is continually pressed reaches the first preset time duration, wherein the pressing of the volume-down button is detected when the mobile terminal is locked, and control the camera to perform the video shooting for a third preset time duration when the total time interval the volume-down button is continually pressed reaches the second preset time duration; • wherein the control module is further configured to: ∘ increase a preset volume value of sound made by the mobile terminal when the mobile terminal is unlocked and each time the volume-up button is pressed, and ∘ decrease the preset volume value of sound made by the mobile terminal when the mobile terminal is unlocked and each time the volume-down button is pressed. ∘ increase a preset volume value of sound made by the mobile terminal when the mobile terminal is unlocked and each time the volume-up button is pressed, and ∘ decrease the preset volume value of sound made by the mobile terminal when the mobile terminal is unlocked and each time the volume-down button is pressed.