To provide a composite photograph forming system and an apparatus thereof capable of easily forming a composite photograph.

Mail addresses are set on each of positions for compositing images on a template image. A user photographs images composited of a template image with a cellular phone 2 having a camera, and attaches the images to electronic mails and transmits the electronic mails to a system server 3. In this case, the user transmits the electronic mails by designating the mail addresses set on the positions for compositing the images as destinations. The system server 3 reads the images from the electronic mails transmitted to each of the destinations and pastes the images on corresponding composite positions on the template image to form a composite image.