Marine appearance LED landscape lamp capable of being used for warning

The utility model relates to the technical field of LED landscape lamps, and discloses a marine appearance LED landscape lamp capable of being used for warning, which comprises a box body, lamp holders are fixedly mounted at the front and rear positions of the left and right sides of the bottom of an inner cavity of the box body, bulbs are electrically connected to the tops of the lamp holders, a groove is formed in the center of the bottom of the inner cavity of the box body, and the lamp holders are arranged in the groove. A screw rod is arranged to drive a threaded cylinder to move downwards, the threaded cylinder drives a lampshade to move downwards, so that the bottom of the lampshade is connected with an insertion groove in an inserted mode, the connecting position between the lampshade and a box body is sealed through a first sealing gasket, an external wire is conveniently electrically connected with a lamp holder through a through hole, and a power source is provided for a bulb; the waterproof LED la