The invention discloses an offshore landing platform for an unmanned aerial vehicle. The offshore landing platform comprises an unmanned ship, the unmanned aerial vehicle and a buoy sub-body, whereinthe unmanned ship comprises a shipborne controller, a ship body, a shipborne communication module and a charging module, wherein the ship body, the shipborne communication module and the charging module are electrically connected with the shipborne controller; the unmanned aerial vehicle comprises a flight control module, a data acquisition module, a power supply detection module, an airborne charging module and an airborne communication module, wherein the data acquisition module, the power supply detection module, the airborne charging module and the airborne communication module are electrically connected with the flight control module; the airborne charging module comprises a conical body and an airborne charging interface; the shipborne charging module comprises a conical groove, a conical ring adapted to the external surface of the conical body and a shipborne charging interface corresponding to the airborne charging interface; and the unmanned aerial vehicle landing control method is implemented on the offshore landing platform. According to the offshore landing platform, through the ultrasonic detection, GPS positioning, visual positioning and an infrared detection modules,the flight and landing paths of the unmanned aerial vehicle are controlled accurately, the structure of the charging module is optimized and matched to enable the unmanned aerial vehicle charging docking to be accurate, the data transmission efficiency is high, and the monitoring information is real-time and effective.