To provide a photograph cutting auxiliary device with which certification photographs of respective sizes attached to a personal history and respective application forms for a passport, a visa, etc., can speedily be marked for proper sizes and positions.

A transparent plate (1) is placed on a photograph, and a proper size is selected from respective application form frames (5) to (8), and a lateral line (4) is adjusted to the eyebrows of the face and a longitudinal line (3) is positioned where the face is symmetrically about the longitudinal line. Then marks are given by tracing with a pen etc., along right-angled holes (2).