A light-emitting device including a light-emitting module, a first wiring and a second wiring. The light-emitting module includes one or more light-emitting elements and a package covering the one or more light-emitting elements. Each of the one or more light-emitting elements has a first electrode and a second electrode. The light-emitting module has a groove structure on a lower surface side. The first wiring and the second wiring are partially or entirely present in the groove structure. At least part of the first electrode and at least part of the second electrode are exposed to an inside of the groove structure. The first wiring is electrically connected with the first electrode, and the second wiring is electrically connected with the second electrode.