A display device, comprising: a display body comprising a shell, a display screen installed on a front part of the display body, and an optical film group installed inside the shell, the shell comprising a back plate; and an electromagnetic vibration device installed on the back plate, and configured to generate sound through vibrating the back plate, the optical film group and the display screen; wherein, the electromagnetic vibration device comprises: a fixing assembly installed on the back plate fixedly; and a vibration assembly elastically connected to the fixing assembly or the back plate; wherein,the fixing assembly is an electromagnetic assembly, the vibration assembly is a magnetic assembly, the magnetic assembly has an annular gap, the electromagnetic assembly comprises a conductive coil, and the conductive coil is at least partially extended into the annular gap, and configured as being connected with electric signals and generating a relative vibration between the electromagnetic assembly and the magnetic assembly; the electromagnetic vibration device further comprises an annular inner bracket, the annular inner bracket is configured between the back plate and the magnet assembly and sleeves a periphery of the conductive coil, a front end of the annular inner bracket is elastically installed on the electromagnetic assembly through an inner elastic member, and a rear end of the annular inner bracket is fixedly installed on the magnetic assembly; the display device being characterized in that the electromagnetic vibration device further comprises an annular outer bracket, the annular outer bracket sleeves a periphery of the annular inner bracket, a front end of the annular outer bracket is fixedly connected to the back plate, and a rear end of the annular outer bracket is elastically installed on the magnetic assembly through an outer elastic member. a display body comprising a shell, a display screen installed on a front part of the display body, and an optical film group installed inside the shell, the shell comprising a back plate; and an electromagnetic vibration device installed on the back plate, and configured to generate sound through vibrating the back plate, the optical film group and the display screen; wherein, the electromagnetic vibration device comprises: a fixing assembly installed on the back plate fixedly; and a vibration assembly elastically connected to the fixing assembly or the back plate; wherein,the fixing assembly is an electromagnetic assembly, the vibration assembly is a magnetic assembly, the magnetic assembly has an annular gap, the electromagnetic assembly comprises a conductive coil, and the conductive coil is at least partially extended into the annular gap, and configured as being connected with electric signals and generating a relative vibration between the electromagnetic assembly and the magnetic assembly; the electromagnetic vibration device further comprises an annular inner bracket, the annular inner bracket is configured between the back plate and the magnet assembly and sleeves a periphery of the conductive coil, a front end of the annular inner bracket is elastically installed on the electromagnetic assembly through an inner elastic member, and a rear end of the annular inner bracket is fixedly installed on the magnetic assembly; the display device being characterized in that the electromagnetic vibration device further comprises an annular outer bracket, the annular outer bracket sleeves a periphery of the annular inner bracket, a front end of the annular outer bracket is fixedly connected to the back plate, and a rear end of the annular outer bracket is elastically installed on the magnetic assembly through an outer elastic member. a fixing assembly installed on the back plate fixedly; and a vibration assembly elastically connected to the fixing assembly or the back plate; wherein,the fixing assembly is an electromagnetic assembly, the vibration assembly is a magnetic assembly, the magnetic assembly has an annular gap, the electromagnetic assembly comprises a conductive coil, and the conductive coil is at least partially extended into the annular gap, and configured as being connected with electric signals and generating a relative vibration between the electromagnetic assembly and the magnetic assembly; the electromagnetic vibration device further comprises an annular inner bracket, the annular inner bracket is configured between the back plate and the magnet assembly and sleeves a periphery of the conductive coil, a front end of the annular inner bracket is elastically installed on the electromagnetic assembly through an inner elastic member, and a rear end of the annular inner bracket is fixedly installed on the magnetic assembly; the display device being characterized in that the electromagnetic vibration device further comprises an annular outer bracket, the annular outer bracket sleeves a periphery of the annular inner bracket, a front end of the annular outer bracket is fixedly connected to the back plate, and a rear end of the annular outer bracket is elastically installed on the magnetic assembly through an outer elastic member.