The present invention relates to a digital door lock device for transmitting a short message for security notification by using a subject to be notified, and a method for transmitting a short message for security notification using the same. According to the present invention, when a user requests to open a door by providing the open key information, the input open key information is compared with the stored open key information, and when the door is opened, the door is opened and at the same time, the alias matching the input open key information is stored. Search through the alias table, find the default text information corresponding to the door opening from the saved text information, and then create a short message by combining the found alias and text information. Transmit to mobile terminal. At this time, the short message transmitted in this way makes it possible to know the accessor information of the digital door lock device.;Digital Door Lock Device, Mobile Communication Modem, SMS, Password, Security
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