A method of frame synchronization includes: inserting synchronous pilots including odd synchronous pilots and even synchronous pilots in a frame; transmitting first signals on the odd synchronous pilots, and transmitting second signals of inverse values of the first signals transmitted on the odd synchronous pilots on the even synchronous pilots; synchronizing the frame according to the odd synchronous pilots and the even synchronous pilots. With the method provided by embodiments of the present invention, complexity of the frame synchronization may be decreased and delay of the frame synchronization may be reduced.