PROBLEM TO BE SOLVED: To provide an endoscope filing device, an endoscope system, and an image processing method capable of easily obtaining only an image photographed by an endoscope.SOLUTION: A trimming area is determined with user's operation and stored in a hard disk 114. Then, with a user's instruction after the completion of a procedure, a filing CPU 112 cuts out a scope image from a processor image by using scope information and processor information, and prepares a report by using the cut out image.SELECTED DRAWING: Figure 1