SB-JPALS is the important application of the Joint Precision Approach and Landing System (JPALS) which support the autonomous landing of aircraft. For ensuring the integrity of the system, a series of ship-based monitoring algorithms are introduced which achieve the monitor of the satellite clock, satellite ephemeris, ionosphere, troposphere, multi-path and receiver fault. Meanwhile, due to the motion and deformation of aircraft carrier, the inertial navigation system is used on ship and aircraft simultaneously to promote and aid the integrity monitoring performance. Aimed at the high precision and integrity performance requirement of satellite navigation carrier landing and the special application environment of carrier landing, the integrity technology of SB-JPALS is studied, the architecture and implementation method are analyzed in this paper.