<p>The embodiments of the present invention relate to a file data transmission method and device. The method comprises: obtaining a displacement characterizing a displacement generated by a file to be transmitted in a display area relative to an initial position of the file to be transmitted; judging whether the position of the file to be transmitted after the displacement goes beyond a preset position; and if the position of the file to be transmitted after the displacement reaches or goes beyond the preset position, transmitting to a corresponding receiving terminal the file to be transmitted.</p>
