The invention discloses a multifunctional unmanned boat, A hull contain an unmanned boat, a control panel provided in the hull of an unmanned boat, a mobile terminal connected to the control board, the control board is connected with a GPS positioning module for positioning the position of an unmanned boat through a modular port, a camera module for acquiring image data, a light communication module for communication, a sound collection and speaker module for acquiring audio data, wherein the control board and the GPS positioning module, the camera module, the light communication module, the sound collection and speaker module all realize signal transmission through a 4G network; By setting GPS positioning module, camera module, light communication module, sound collection and loudspeakermodule on the hull of the unmanned ship, the communication between different ships and the acquisition of images and audio around the hull can be realized, so as to ensure the acquisition of image audio data, facilitate the communication between different ships and reduce the risk of data loss.