A method for manufacturing an organic EL panel capable of reducing uneven emission luminance (uneven light emission) is disclosed. A method for manufacturing an organic EL panel according to an embodiment of the invention is a method for manufacturing an organic EL panel including a functional layer including at least a light emitting layer containing an organic material, including a coating step of forming a functional layer by horizontally conveying a base material (110) having flexibility using a roll-to-roll process and coating a coating solution containing an organic material onto the base material (110) using an inkjet applicator (30) disposed above the base material (110), wherein in the coating step, the base material (110) is floated by air using an air floating stage (20) disposed below the base material (110) and the coating solution is coated onto the base material (110).