Method and device of sharing photos and associated information among users of a social network platform are disclosed. The method includes: a mobile device sending, to a server, a first location of a first photo and a current location of the mobile device; receiving a first plurality of POIs, at least one of which is located near the first location of the first photo and another one of which is located near the current location of the mobile device; determining a first POI among the first plurality of POIs as a first check-in location of the first photo; and sending the first photo and the first POI to the server.
