Lighting device applied to water environment

The utility model provides a lighting device applied to a water environment, and relates to the technical field of lighting devices, the lighting device comprises an LED lamp, a transparent glass lamp tube and an end cover; the end cover is provided with a threading part, a connecting side and a deviating side, the threading part is provided with a threading hole, and the connecting side and the deviating side are located on the two sides of the end cover respectively and are each of a groove structure. The end part of the transparent glass lamp tube extends into the connecting side and is connected with the connecting side, and the transparent glass lamp tube and the connecting side are sealed and fixed through a structural sealant; the LED lamp comprises an aluminum profile, an aluminum substrate, an LED light-emitting element and an internal electronic component. The aluminum profile penetrates through the transparent glass lamp tube and is provided with a mounting groove, and the electronic component is a