A photothermographic material contains a support having thereon an image
forming layer containing a photosensitive silver halide, a
non-photosensitive organic silver salt, a reducing agent and a binder,
and a non-photosensitive outermost layer on a side of the support where
the image forming layer is provided, The photosensitive silver halide
contains silver iodide in an amount of from 40 to 100% by mole, and a
binder contained in the outermost layer contains at least one of a latex
polymer and a water soluble polymer that is not derived from an animal
protein in an amount of 50% by mass or more.