Provided are a direct image formation method and apparatus in which a predetermined image file that is transmitted from a host computer is directly received and printed or transmitted. The direct image formation method includes setting a USB class of the direct image formation apparatus to a mass storage class (MSC) and connecting the direct image formation apparatus to the host device in an MSC connection mode; transmitting the image file from the host device to the direct image formation apparatus in the MSC connection mode; and converting the image file to data in a predetermined printing format and printing the data into which the image file is converted.