The IR radiation sources and their physical characters on naval ship were analyzed , the relative intensity of the IR radiation sources was evaluated, the control strategies for the IR radiation were studied, and the develop ing trend of the control for the IR radiation was discussed. The results show that the exhaust duct, the exhaust plume and the ship hull are the three main IR radiation sources on naval ship which are the main objects to be controlled, and that the control techniques for the ship hull, the active cooling technology is one of the ideal control strategies . These conclusions are very useful for the IR stealth technologies for naval ship.