A display module, comprising an organic light-emitting diode, OLED, display screen, an optical fingerprint module and a display screen protective layer, wherein the optical fingerprint module is located on a surface of the display screen away from a light-out surface; the optical fingerprint module comprises a sensor, a packaging layer for packaging the sensor and a flexible printed circuit board connected to the sensor; the sensor comprises a fingerprint detection area, the packaging layer packages the sensor with the fingerprint detection area on the sensor exposed; the flexible printed circuit board is configured to transmit a signal detected by the sensor; characterized in that the display screen protective layer is located on the surface of the display screen away from the light-out surface; a through hole is disposed at the display screen protective layer; the display screen protective layer is fixedly connected to the display screen; a vertical projection of the fingerprint detection area of the optical fingerprint module on the light-out surface of the display screen is located inside a display area of the display screen, and light is able to be transmitted through the display screen and the through hole to the fingerprint detection area; the optical fingerprint module is connected to the display screen protective layer by using a middle frame, the optical fingerprint module is bonded to the middle frame by using a bezel adhesive, wherein a second through hole is disposed at the middle frame; the bezel adhesive is applied around the fingerprint detection area of the sensor and is bonded to the packaging layer; and there is an air layer between the fingerprint detection area and the display screen. the optical fingerprint module is located on a surface of the display screen away from a light-out surface; the optical fingerprint module comprises a sensor, a packaging layer for packaging the sensor and a flexible printed circuit board connected to the sensor; the sensor comprises a fingerprint detection area, the packaging layer packages the sensor with the fingerprint detection area on the sensor exposed; the flexible printed circuit board is configured to transmit a signal detected by the sensor; characterized in that the display screen protective layer is located on the surface of the display screen away from the light-out surface; a through hole is disposed at the display screen protective layer; the display screen protective layer is fixedly connected to the display screen; a vertical projection of the fingerprint detection area of the optical fingerprint module on the light-out surface of the display screen is located inside a display area of the display screen, and light is able to be transmitted through the display screen and the through hole to the fingerprint detection area; the optical fingerprint module is connected to the display screen protective layer by using a middle frame, the optical fingerprint module is bonded to the middle frame by using a bezel adhesive, wherein a second through hole is disposed at the middle frame; the bezel adhesive is applied around the fingerprint detection area of the sensor and is bonded to the packaging layer; and there is an air layer between the fingerprint detection area and the display screen.