A method for manufacturing a light-emitting device that is provided with, on a substrate, a light-emitting element including a first electrode, a second electrode, and a quantum dot layer, the method including: forming the quantum dot layer, the forming the quantum dot layer including performing first application that involves applying a first solution, performing first heating that involves raising an atmospheric temperature around the substrate to a temperature equal to or higher than a first temperature, and performing second heating that involves raising the atmospheric temperature to a second temperature, wherein the first solution contains a first solvent, quantum dots, a ligand, the quantum dot includes a core and a first shell, the second temperature is a temperature to form a second shell, and at least one set of the quantum dots adjacent to each other is connected to each other via the second shell.