Abstract: The invention of the present application provides a lighting apparatus that has superior waterproofing property, durability, impact resistance, and pressure resistance and that can be used in various places such as a construction site, a plastic greenhouse, a poultry house, water, or seawater. The invention of the present application provides a lighting apparatus in which electric wires are connected to a substrate 3 on which light-emitting diodes 31, 32, and 33 are mounted and synthetic resin material is used to closely cover the electric wires 52 and 53, the substrate 3, and the light-emitting diodes 31, 32, and 33 in an integrated manner.