Air-underwater communication system based on aerial platform

The invention discloses an air-underwater communication system based on an aerial platform. The air-underwater communication system comprises the aerial platform carrying a blue-green light communication unit, wherein a control unit on the aerial platform control an aircraft to fly to an area where an underwater collector or detector is approximately located; and a scanning and positioning unit is used to scan and position the area where the underwater collector or detector is approximately located, and a launch angle of a light source is controlled, so that an effective communication coverage area in a certain area is realized. The blue-green light communication unit transmits a data demand command signal to the underwater collector or detector, after the collector or detector receives a command request, the collector or detector sends a feedback signal to the aerial platform, so that a communication link between the aerial platform and the underwater collector or detector is established. In comparison with other fixed and wired optical communication ways, the air-underwater communication system based on the aerial platform has the advantages of good security, quick data acquisition, low cost, high sensitivity, wide application range and the like.