Electronic device and sealing element thereof

The invention relates to an electronic device and a sealing member thereof, and the electronic device comprises a housing, a sound receiving unit, an acoustic membrane and the sealing member. The shell is provided with a through hole. The sealing piece comprises a sealing body and a sealing ring. The sealing body is provided with a containing part and a channel. One end of the channel is connected with the accommodating part and the other end is provided with a first opening; the accommodating part accommodates the sound receiving unit. The sealing ring is located between the sealing body and the acoustic membrane and provided with a through hole. The through hole, the through hole and the first opening correspond to each other. The sealing ring hardness of the sealing ring is lower than the sealing body hardness of the sealing body. According to the embodiment of the invention, the sealing effect is improved, meanwhile, the channel can be maintained not to deform easily, sound wave transmission is not affect