To obtain a high-reliability processing method for a film unit equipped with a lens to rapidly and surely pull out a film storing container from an inexpensive film unit equipped with a lens, as to the processing method for the film unit equipped with a lens to pull out the film storing container with the exposed film from the film unit.

The method is provided with a process of holding the film unit equipped with a lens 1, a light shielding process of preventing external light from entering the film unit 1 when a cover part 5 is opened in order to pull out the film storing container P, a process of opening the cover part 5, a process of releasing a film double take-up prevention mechanism 33 for feeding one frame of a film F and stopping feeding, a process of engaging with the spool P1 in the film storing container P so as to rotate the spool P1 and wind the film F, and a process of pulling out the film storing container P with the spool PI on which the film F is wound from the film unit 1.