The present invention is to provide a device for holding and fastening a light-emitting member, comprising a fastening assembly including a first space for receiving and clamping an object; and a secureness assembly provided on the fastening assembly and having a second space for receiving and fastening a portion of the light-emitting member, enabling both the light-emitting member and the device to be easily carried after the light-emitting member being detaching from the secureness assembly and the fastening assembly being disengaged from an object.