Position information sharing method and terminal devices

The embodiment of the invention discloses a position information sharing method and terminal devices. The method comprises steps: a first terminal device monitors whether to reach a preset condition at the current moment; if yes, the sharing data of the first terminal device at the current moment are acquired, wherein the sharing data at least comprise position data of the first terminal device when the sharing data are transmitted and login account information of the first terminal device, and the position data at least comprise latitude and longitude data of the first terminal device at the current moment; and the sharing data are transmitted to the server. In the embodiment of the invention, after the first terminal device monitors the preset condition is reached at the current moment, the position data and the login account information of the first terminal device are transmitted to a server, the second terminal device can check the position information of the first terminal device at any time through the