Ink drying method and ink drying apparatus

Provided are an ink drying method and an ink drying apparatus capable of drying an ink while suppressing oxidation of a substrate to which the ink is applied. The ink drying apparatus is an apparatus for drying the ink (2) applied to the surface of the substrate (1), and a drying chamber (10) in which the substrate (1) having the ink (2) applied to the surface is disposed And a superheated steam generation unit (20) that sets the atmosphere in the drying chamber (10) to a superheated steam atmosphere, and an atmosphere control unit (30) that controls the amount of superheated steam in the drying chamber (10). .