The present invention provides a black and white photothermographic material including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent represented by formula (1), a coupler which reacts with an oxidation product of the reducing agent to form a dye, and at least one development accelerator represented by formula (A-1) or (A-2) on a support: wherein R1, R2, R3, and R4 each independently represent a hydrogen atom or a substituent; and R5 represents an alkyl group, an aryl group, or a heterocyclic group; Q1-NHNH-Q2  Formula (A-1) wherein Q1 represents an aromatic group or a heterocyclic group; and Q2 represents a carbamoyl group or the like; wherein R11 represents an alkyl group, an acyl group, an acylamino group, or the like; R12 represents a hydrogen atom or a substituent; and R13 and R14 represent a substituent.