Dual-purpose silica gel piece for cup cover

The utility model discloses a dual-purpose silica gel piece for a cup cover, which comprises a rubber plug arranged in a straw hole of the cup cover, a through hole penetrating up and down is arranged on the rubber plug, the dual-purpose silica gel piece further comprises a sealing rubber piece used for being inserted in the through hole to achieve sealing, and a soft connecting piece is arranged between the sealing rubber piece and the rubber plug for connection. In actual use, the rubber plug is inserted into the straw hole, so that the rubber plug is fixed on the cup cover. When the straw needs to be used, the sealing rubber piece is pulled out of the through hole, the straw penetrates through the through hole to be inserted into the cup body, and when the through hole needs to be sealed, the sealing rubber piece is plugged into the through hole. According to the utility model, the problem that a single rubber plug is easy to lose is solved, and the problems of difficulty in processing and complex producti