A dual display regions control method, comprising: establishing a first link between a receiver and a first transmitter and a second link between the receiver and a second transmitter; pairing the receiver with the first transmitter and the second transmitter for accessing data through the first link and the second link; transmitting a first image signal from a first image signal source to the first transmitter after the first transmitter is triggered by pressing a first button by a user; processing the first image signal by the first transmitter for transmitting the first image signal to the receiver; transmitting a second image signal from a second image signal source to the second transmitter after the second transmitter is triggered by pressing a second button by a user; processing the second image signal by the second transmitter for transmitting the second image signal to the receiver; identifying the first transmitter and the second transmitter; selecting the first transmitter by the receiver; displaying the first image signal transmitted from the first transmitter on a first display region after the first transmitter is selected; setting the first transmitter and the second transmitter by the receiver for generating different identification characteristics displayed on the first transmitter and the second transmitter; and displaying identification information of the first transmitter and the second transmitter on a second display region; wherein the identification characteristics displayed on the first transmitter and the second transmitter correspond to the identification information of the first transmitter and the second transmitter displayed on the second display region, and the first display region comprises a display region of a first display and part of a display region of a second display. establishing a first link between a receiver and a first transmitter and a second link between the receiver and a second transmitter; pairing the receiver with the first transmitter and the second transmitter for accessing data through the first link and the second link; transmitting a first image signal from a first image signal source to the first transmitter after the first transmitter is triggered by pressing a first button by a user; processing the first image signal by the first transmitter for transmitting the first image signal to the receiver; transmitting a second image signal from a second image signal source to the second transmitter after the second transmitter is triggered by pressing a second button by a user; processing the second image signal by the second transmitter for transmitting the second image signal to the receiver; identifying the first transmitter and the second transmitter; selecting the first transmitter by the receiver; displaying the first image signal transmitted from the first transmitter on a first display region after the first transmitter is selected; setting the first transmitter and the second transmitter by the receiver for generating different identification characteristics displayed on the first transmitter and the second transmitter; and displaying identification information of the first transmitter and the second transmitter on a second display region; wherein the identification characteristics displayed on the first transmitter and the second transmitter correspond to the identification information of the first transmitter and the second transmitter displayed on the second display region, and the first display region comprises a display region of a first display and part of a display region of a second display.