The invention relates to a semi-physical teaching system of a marine automatic identification system, comprising a computer, a plurality of marine automatic identification system slipways provided with VHF antennae, and a network; the computer is connected with each ship automatic identification system slipway through the network. The invention has the advantages that real AIS slipways are used as carriers, thus obtaining good authenticity and educational effects; the computer can simulate water borne complex sea-route conditions and marine motion conditions to provide a teaching system of convenient and practical AIS slipway equipment for crew training institutions and maritime relevant institutions: the computer can feedback the operation results to each slipway in real time, thus facilitating estimation on the operation of students by teachers.