Marine positioning method and cluster positioning system terminal thereof

The invention discloses a marine positioning method and a cluster positioning system terminal thereof. The method comprises the steps of establishing a differential base station, collecting and processing ship navigation information, exchanging and receiving data, displaying accurate navigation information and sharing the accurate navigation information. A cluster positioning system terminal for a marine positioning method is characterized in that a box cover for opening and closing a waterproof box body is arranged on the front face of the waterproof box body, a partition plate is horizontally arranged on the upper middle portion of the waterproof box body and divides the inner space of the waterproof box body into two lower layers, and a computer, a switch and a power adapter are arranged in the lower space of the waterproof box body; a navigation satellite receiver and a serial server are arranged in the upper space, wireless ad hoc network equipment is arranged on the outer wall of any side of the waterpr