The embodiment of the invention provides a flight control method, device and system, and the method comprises the following steps: receiving an instruction passing through at least one object, whereinthe instruction comprises the identity of each object in the at least one object; determining a flight path passing through each object according to the pose information of the object corresponding to each identity identifier; and controlling an unmanned aerial vehicle to pass through each object based on the flight path so as to improve the convenience of passing through the obstacle.