The present disclosure provides an information transmission method, device, system, and storage medium, and relates to the technical field of wireless communication. The method includes: sending by an unmanned aerial vehicle mode switching information to a base station, after the flight mode is switched from a first flight mode to a second flight mode; and receiving by a base station the mode switching information sent by the unmanned aerial vehicle, wherein the mode switching information is configured to indicate that the flight mode of the unmanned aerial vehicle has been switched from the first flight mode to the second flight mode.