Provided is a system and method for sharing position information using a
mobile communication system. The system includes the mobile communication
system providing a short message service; at least one second navigation
terminal for detecting the position information from a received position
information short message, mapping the detected position information to
map data, and transmitting a position information short message; and a
first navigation terminal for receiving and storing a proper number of
each second navigation terminal, transmitting a position information
short message, receiving the position information short message from the
navigation terminal, and mapping a position based on the position
information to the map data.