To provide an oven for baking colored resist while preventing adhesion of solidified sublimation gas in a process for baking an organic color filter.

The oven 1 for baking colored resist has an opening 30 for carrying a substrate material 12 having a patterned colored resist film 14 onto a substrate 10, and an opening 40 for carrying out the baked substrate material 12. A heater 50 is disposed closely to any one of the openings 30, 40. More specifically, the heater 50 is disposed on a shutter 60 for opening/closing the openings 30, 40 itself or around the exhaust opening of sublimation gas 14a.