Comprehensive management device and method for ship

The invention relates to the technical fields of a Beidou navigation user terminal and an automatic identification system (AIS) of a ship, and specifically discloses a comprehensive management deviceand method for a ship; the comprehensive management device comprises a cavity body, an antenna body and an outer shield from the bottom up; the antenna body and the outer shield are fixed on the cavity body, and the outer shield seals the antenna body in the outer shield; the antenna body sequentially comprises circularly polarized antennas with different frequency bands which are uniformly distributed by taking an AIS antenna as the center in the first layer, an impedance matching network in the second layer, an impedance matching network bottom plate in the third layer, and a connector on the lowest side from the top to bottom in sequence; the circularly polarized antennas are welded on the impedance matching network in a coaxial feeding mode, and are pressed on the impedance matching network bottom plate; and t