A method of manufacturing a display device according to an embodiment of the present invention includes in order: forming a sacrificial layer in a predetermined position on a substrate; forming a base material containing resin on the substrate with the sacrificial layer therebetween; forming a display region including a plurality of pixels on the base material; irradiating the substrate with laser light from a side of the substrate on which the base material is not formed; and peeling the substrate from the base material. A region where the base material and the substrate are in contact with each other is present at least a part of an edge portion of the base material.