A display device, comprising: a camera module comprising a lens configured to acquire an image; a first assembly comprising: a first communication unit; and a first control module connected to the first communication unit; and a second assembly configured to control the camera module, wherein the second assembly comprises: a display screen configured to display the image acquired by the lens; a second communication unit configured to connect with the first communication unit in wireless communication; and a second control module connected to the display screen and the second communication unit; wherein the camera module is detachably installed on an outer edge of the first assembly or an outer edge of the second assembly; wherein the display device is characterized in that: the first assembly is a stylus comprising a first socket; the second assembly is a display device main body and comprises a second socket; and the camera module comprises a first connector, and the first connector is unpluggably connected to the first socket or the second socket. a camera module comprising a lens configured to acquire an image; a first assembly comprising: a first communication unit; and a first control module connected to the first communication unit; and a second assembly configured to control the camera module, wherein the second assembly comprises: a display screen configured to display the image acquired by the lens; a second communication unit configured to connect with the first communication unit in wireless communication; and a second control module connected to the display screen and the second communication unit; wherein the camera module is detachably installed on an outer edge of the first assembly or an outer edge of the second assembly; wherein the display device is characterized in that: the first assembly is a stylus comprising a first socket; the second assembly is a display device main body and comprises a second socket; and the camera module comprises a first connector, and the first connector is unpluggably connected to the first socket or the second socket. a first communication unit; and a first control module connected to the first communication unit; and a second assembly configured to control the camera module, wherein the second assembly comprises: a display screen configured to display the image acquired by the lens; a second communication unit configured to connect with the first communication unit in wireless communication; and a second control module connected to the display screen and the second communication unit; wherein the camera module is detachably installed on an outer edge of the first assembly or an outer edge of the second assembly; wherein the display device is characterized in that: the first assembly is a stylus comprising a first socket; the second assembly is a display device main body and comprises a second socket; and the camera module comprises a first connector, and the first connector is unpluggably connected to the first socket or the second socket. a display screen configured to display the image acquired by the lens; a second communication unit configured to connect with the first communication unit in wireless communication; and a second control module connected to the display screen and the second communication unit; wherein the camera module is detachably installed on an outer edge of the first assembly or an outer edge of the second assembly; wherein the display device is characterized in that: the first assembly is a stylus comprising a first socket; the second assembly is a display device main body and comprises a second socket; and the camera module comprises a first connector, and the first connector is unpluggably connected to the first socket or the second socket. the first assembly is a stylus comprising a first socket; the second assembly is a display device main body and comprises a second socket; and the camera module comprises a first connector, and the first connector is unpluggably connected to the first socket or the second socket.