A method for recognizing an air gesture based on multi-terminal collaboration, wherein the method comprises: receiving, by a first terminal after receiving a collaboration request activation signal triggered by a user, device configuration parameter information and device position parameter information of second terminals sent by the second terminals; calculating, by the first terminal, according to received position parameters of the second terminals, a current arrangement manner of the terminals (1401, 1402) that participate in the acquiring of air gesture information; recording, by the first terminal according to the position parameter information of the second terminals, said current arrangement manner of the terminals (1401, 1402) that participate in acquiring of air gesture information, said current arrangement manner including an arrangement shape, an arrangement sequence, and a relative arrangement position, wherein the terminals (1401, 1402) that participate in the acquiring of the air gesture information comprise all terminals or the second terminals, and all the terminals comprise the first terminal and the second terminals; receiving, by the first terminal, image sensor trigger information sent by at least one second terminal when the user makes an air gesture to slide across the second terminal; and determining, by the first terminal according to the recorded arrangement manner and the acquired image sensor trigger information, a type of an air gesture that triggers an image sensor, characterized in that said sensor trigger information is received by an image sensor of said second terminal; said parameter information of said second terminals comprises terminal screen sizes and screen resolution of said second terminals; and said calculating comprises: calculating multiple possible arrangement manners of the terminals (1401, 1402) according to the device configuration parameter of the first terminal, device configuration parameters of said second terminals, and the number of all the terminals, displaying, by the first terminal, the multiple arrangement manners of all the terminals (1401, 1402) in a visual manner for said user to select; and recording, by the first terminal, the arrangement manner selected by said user. receiving, by a first terminal after receiving a collaboration request activation signal triggered by a user, device configuration parameter information and device position parameter information of second terminals sent by the second terminals; calculating, by the first terminal, according to received position parameters of the second terminals, a current arrangement manner of the terminals (1401, 1402) that participate in the acquiring of air gesture information; recording, by the first terminal according to the position parameter information of the second terminals, said current arrangement manner of the terminals (1401, 1402) that participate in acquiring of air gesture information, said current arrangement manner including an arrangement shape, an arrangement sequence, and a relative arrangement position, wherein the terminals (1401, 1402) that participate in the acquiring of the air gesture information comprise all terminals or the second terminals, and all the terminals comprise the first terminal and the second terminals; receiving, by the first terminal, image sensor trigger information sent by at least one second terminal when the user makes an air gesture to slide across the second terminal; and determining, by the first terminal according to the recorded arrangement manner and the acquired image sensor trigger information, a type of an air gesture that triggers an image sensor, characterized in that said sensor trigger information is received by an image sensor of said second terminal; said parameter information of said second terminals comprises terminal screen sizes and screen resolution of said second terminals; and said calculating comprises: calculating multiple possible arrangement manners of the terminals (1401, 1402) according to the device configuration parameter of the first terminal, device configuration parameters of said second terminals, and the number of all the terminals, displaying, by the first terminal, the multiple arrangement manners of all the terminals (1401, 1402) in a visual manner for said user to select; and recording, by the first terminal, the arrangement manner selected by said user. calculating multiple possible arrangement manners of the terminals (1401, 1402) according to the device configuration parameter of the first terminal, device configuration parameters of said second terminals, and the number of all the terminals, displaying, by the first terminal, the multiple arrangement manners of all the terminals (1401, 1402) in a visual manner for said user to select; and recording, by the first terminal, the arrangement manner selected by said user.