A tracking navigation method, applied to a first electronic device as a tracking party, comprises the steps of: the receiving step: regularly receiving real-time coordinates of the positions of a second electronic device monitored and sent by a second GPS unit of the second electronic device as a tracked party; the navigating step: controlling a first GPS unit of the first electronic device to update the destination position on an electronic map displayed by the first electronic device according to the real-time coordinates of the positions of the second electronic device and navigating the path of achieving the updated destination on the electronic map. The invention further provides a tracking navigation system. The tracking navigation method and system can be used for real-time acquiring the position coordinates of the tracked party, so that the tracking party can navigate the tracking path according to the position coordinates of the tracked party.