A light-emitting device production method comprising: a mounting step of mounting, by wire bonding, at least one light-emitting element on a substrate; a positioning step of positioning a sealing member so that the sealing member faces an upper surface of the at least one light-emitting element mounted in the mounting step, the sealing member being solid, and at least containing a silicone resin semi-cured by primary cross-linking and a fluorescent material; a melting step of melting, by heating at a temperature lower than a secondary cross-linking temperature at which the silicone resin subjected to primary cross-linking is totally cured by secondary cross-linking, the sealing member being solid and positioned in the positioning step; and a curing step of, while the sealing member melted in the melting step is in close contact with at least the upper surface of the at least one light-emitting element, heating the sealing member at a temperature equal to or higher than the secondary cross-linking temperature, the silicone resin decreasing in viscosity reversibly, between a first viscosity at a room temperature and a second viscosity at a temperature immediately before the second cross-linking temperature, in a temperature region between the room temperature and the temperature lower than the secondary cross-linking temperature, returning to the first viscosity at the room temperature, and being totally cured non-reversibly in a temperature region equal to or higher than the secondary cross-linking temperature, wherein the sealing member positioned in the positioning step is a sealing resin sheet which is made of a sheet containing the fluorescent material and which at least contains the silicone resin subjected to primary cross-linking, and wherein the sealing resin sheet is obtained by forming, into a sheet, a kneaded resin obtained by kneading the fluorescent material with the silicone resin subjected to primary cross-linking and heated at a kneading temperature lower than the secondary cross-linking temperature, such that the viscosity of the silicone resin is decreased to a kneading viscosity, and by reducing the kneading temperature of the kneaded resin formed into a sheet to room temperature, such that the viscosity returns to the first viscosity. a mounting step of mounting, by wire bonding, at least one light-emitting element on a substrate; a positioning step of positioning a sealing member so that the sealing member faces an upper surface of the at least one light-emitting element mounted in the mounting step, the sealing member being solid, and at least containing a silicone resin semi-cured by primary cross-linking and a fluorescent material; a melting step of melting, by heating at a temperature lower than a secondary cross-linking temperature at which the silicone resin subjected to primary cross-linking is totally cured by secondary cross-linking, the sealing member being solid and positioned in the positioning step; and a curing step of, while the sealing member melted in the melting step is in close contact with at least the upper surface of the at least one light-emitting element, heating the sealing member at a temperature equal to or higher than the secondary cross-linking temperature, the silicone resin decreasing in viscosity reversibly, between a first viscosity at a room temperature and a second viscosity at a temperature immediately before the second cross-linking temperature, in a temperature region between the room temperature and the temperature lower than the secondary cross-linking temperature, returning to the first viscosity at the room temperature, and being totally cured non-reversibly in a temperature region equal to or higher than the secondary cross-linking temperature, wherein the sealing member positioned in the positioning step is a sealing resin sheet which is made of a sheet containing the fluorescent material and which at least contains the silicone resin subjected to primary cross-linking, and wherein the sealing resin sheet is obtained by forming, into a sheet, a kneaded resin obtained by kneading the fluorescent material with the silicone resin subjected to primary cross-linking and heated at a kneading temperature lower than the secondary cross-linking temperature, such that the viscosity of the silicone resin is decreased to a kneading viscosity, and by reducing the kneading temperature of the kneaded resin formed into a sheet to room temperature, such that the viscosity returns to the first viscosity.