A terminal display assembly , comprising: a display screen , defining a through hole penetrating through the display screen in a thickness direction of the display screen ; a light-transmission cover plate , disposed on the display screen and covering the through hole ; and a seal ring , disposed in the through hole , and comprising: a bottom , disposed on the light-transmission cover plate ; and an outer wall , connected to the bottom , wherein at least a part of the outer wall is disposed on the display screen ; wherein the light-transmission cover plate is fixed on the display screen by an optical adhesive , a thickness of the seal ring is greater than a thickness of the optical adhesive , and the seal ring contacts with the display screen ; wherein the seal ring further comprises a top disposed opposite to the bottom , and the top is further provided with a placement stand ; and wherein the display screen further comprises a sidewall in the through hole ; the seal ring further comprises an inner wall ; the inner wall is away from the sidewall and connected to the bottom , and the outer wall is adjacent to the sidewall of the display screen ; the placement stand is recessed from the top of the seal ring towards the bottom of the seal ring , and further connected to the inner wall . a display screen , defining a through hole penetrating through the display screen in a thickness direction of the display screen ; a light-transmission cover plate , disposed on the display screen and covering the through hole ; and a seal ring , disposed in the through hole , and comprising: a bottom , disposed on the light-transmission cover plate ; and an outer wall , connected to the bottom , wherein at least a part of the outer wall is disposed on the display screen ; wherein the light-transmission cover plate is fixed on the display screen by an optical adhesive , a thickness of the seal ring is greater than a thickness of the optical adhesive , and the seal ring contacts with the display screen ; wherein the seal ring further comprises a top disposed opposite to the bottom , and the top is further provided with a placement stand ; and wherein the display screen further comprises a sidewall in the through hole ; the seal ring further comprises an inner wall ; the inner wall is away from the sidewall and connected to the bottom , and the outer wall is adjacent to the sidewall of the display screen ; the placement stand is recessed from the top of the seal ring towards the bottom of the seal ring , and further connected to the inner wall . a bottom , disposed on the light-transmission cover plate ; and an outer wall , connected to the bottom , wherein at least a part of the outer wall is disposed on the display screen ; wherein the light-transmission cover plate is fixed on the display screen by an optical adhesive , a thickness of the seal ring is greater than a thickness of the optical adhesive , and the seal ring contacts with the display screen ; wherein the seal ring further comprises a top disposed opposite to the bottom , and the top is further provided with a placement stand ; and wherein the display screen further comprises a sidewall in the through hole ; the seal ring further comprises an inner wall ; the inner wall is away from the sidewall and connected to the bottom , and the outer wall is adjacent to the sidewall of the display screen ; the placement stand is recessed from the top of the seal ring towards the bottom of the seal ring , and further connected to the inner wall . <EOS>