The present invention relates to a mobile terminal enabling data transmission and reception and a control method thereof. A mobile terminal according to the present invention includes: a display unit for outputting an image including a specific object and outputting a data input window on the basis of a predetermined user input to the specific object; a wireless communication unit for transmitting the input data to an external terminal corresponding to the specific object on the basis of data inputted to the data input window; and a controller for outputting the input data on the image and for outputting the received data on the image on the basis of data received from the external terminal.