An electronic tag reading device includes an antenna for transmitting wireless signals to an electronic tag for reading information stored in the electronic tag, an electronic tag reader electrically coupled to the antenna, the electronic tag reader supplying signals to the antenna and receiving signals from the antenna for reading information stored in the electronic tag, and a movable stage connected to the antenna and configured to move the antenna when the antenna is transmitting wireless signals during a tag reading process of the electronic tag reader and stop moving the antenna when the antenna is not transmitting wireless signals during the tag reading process.