Antenna alignment method, antenna alignment device and antenna alignment system

The embodiment of the invention provides an antenna alignment method, an antenna alignment device and an antenna alignment system. The embodiment of the invention provides an antenna alignment method comprising the following steps: position information interaction with an opposite-end antenna is performed through a pre-established transmission channel to enable the opposite-end antenna to determine a first coarse adjustment angle at which the opposite-end antenna needs to be adjusted and to coarsely adjust the angle according to the first coarse adjustment angle; a second coarse adjustment angle at which a local-end antenna needs to be adjusted is determined according to the position information of the local-end antenna and the position information of the opposite-end antenna, and the angle of the local-end antenna is coarsely adjusted according to the second coarse adjustment angle; and a first fine adjustment angle at which the local-end antenna needs to be adjusted is determined through measurement signal interaction between the local-end antenna and the opposite-end antenna, the angle of the local-end antenna is finely adjusted, and the opposite-end antenna determines a second fine adjustment angle at which the opposite-end antenna needs to be adjusted, and finely adjusts the angle according to the second fine adjustment angle. According to the embodiment of the invention, the efficiency of antenna alignment is improved.