Abstract: The present invention discloses a wearable device. The wearable device includes a plastic housing, a ventilated metal member, and an electronic module. The plastic housing includes an accommodating portion, and the plastic housing includes a through hole. The plastic housing is combined with a periphery of the ventilated metal member through insert molding. The ventilated metal member seals the through hole. The ventilated metal member is waterproof and ventilated. The electronic module is arranged in the accommodating portion, and the electronic module, the ventilated metal member, and the plastic housing jointly form a closed space.