To provide a method for recovering a support from a photographic sensitive material with a film formed using a silver salt of an organic acid and a synthetic polymer binder in a state where the support is reused as a material of a support for a photographic sensitive material.

In the method for recovering a resin support by which a resin support is recovered from a photographic sensitive material comprising the resin support and a film comprising at least a silver salt of an organic acid and a synthetic polymer binder, the photographic sensitive material is treated with an alkaline treating liquid containing an alcoholic solvent.