Abstract: Ocean space intelligent unmanned vehicles include the intelligent unmanned surface vehicle ( USV ) , the autonomous underwater vehicle ( AUV ) and unmanned underwater vehicle ( UUV ). Along with that the pilotless aircraft, unmanned tank, robotic fighter take gradually more and more important actors in the battle, the development of unmanned battle already showed a relatively clear blueprint. Ocean space intelligent unmanned vehicles also get progress rapidly. They will have larger and larger function in country security at sea and ocean exploitation in future. Therefore, the research in this area becomes an international hot topic. Many exciting achievements are obtained and are used in military and other fields. The development tendency in this techonlogy is introduced.