Multiple-display method using a plurality of communication terminals, machine-readable storage medium and communication terminal

The present invention relates to a multiple display method by a first communication terminal comprising the step of establishing wireless connection to a second communication terminal; the step of receiving the device information of the second communication terminal; the step of forming first screen data for forming a first screen of the first communication terminal and a second screen data for forming the second screen of the second communication terminal connected to the first screen based on the device information; and the step of transmitting the second screen data to the second communication terminal. [Reference numerals] (100) First device;(200) Second device;(S210) Device/direction/location information;(S230) Generate screen data;(S240) Screen data;(S250) Multi display mode;(S260) User input data;(S270) Screen update