A display device, comprising: a body, and a display screen module detachably connected with the body, wherein the body comprises a first magnetic assembly; and the display screen module comprises a second magnetic assembly, at least one of the first magnetic assembly and the second magnetic assembly is a magnetic-field controllable assembly, the magnetic-field controllable assembly is capable of changing its own magnetic field strength and magnetic pole direction, such that the first magnetic assembly and the second magnetic assembly are connected with one another due to magnetic attraction, and the first magnetic assembly and the second magnetic assembly are separated from one another due to magnetic repulsion; wherein the magnetic-field controllable assembly comprises a coil and a charging module electrically connected with the coil, the charging module is configured to provide the coil with a current, and a magnetic field strength of the magnetic-field controllable assembly is positively related to a strength of the current in the coil; a controller is provided within the body, the controller being electrically connected with the charging module; characterized in that, an elastomeric seal is provided within the body, the elastomeric seal being located between attracted connection surfaces of the first magnetic assembly and the second magnetic assembly when the body and the display screen module are connected; and wherein when the display device falls, the controller controls the charging module to reduce strength of an output current, such that deformation of the elastomeric seal, which is resulted from press by the first magnetic assembly and the second magnetic assembly, reduces, and when the display device decelerates or touches ground, the elastomeric seal is further compressed. wherein the body comprises a first magnetic assembly; and the display screen module comprises a second magnetic assembly, at least one of the first magnetic assembly and the second magnetic assembly is a magnetic-field controllable assembly, the magnetic-field controllable assembly is capable of changing its own magnetic field strength and magnetic pole direction, such that the first magnetic assembly and the second magnetic assembly are connected with one another due to magnetic attraction, and the first magnetic assembly and the second magnetic assembly are separated from one another due to magnetic repulsion; wherein the magnetic-field controllable assembly comprises a coil and a charging module electrically connected with the coil, the charging module is configured to provide the coil with a current, and a magnetic field strength of the magnetic-field controllable assembly is positively related to a strength of the current in the coil; a controller is provided within the body, the controller being electrically connected with the charging module; characterized in that, an elastomeric seal is provided within the body, the elastomeric seal being located between attracted connection surfaces of the first magnetic assembly and the second magnetic assembly when the body and the display screen module are connected; and wherein when the display device falls, the controller controls the charging module to reduce strength of an output current, such that deformation of the elastomeric seal, which is resulted from press by the first magnetic assembly and the second magnetic assembly, reduces, and when the display device decelerates or touches ground, the elastomeric seal is further compressed.