When a large vessel encounters accidents at sea, such as damage to the reef, damage to the vessel by. waves and wind, and equipment failure, the oil leakage spreads rapidly, and the oil plan with manpower and machinery often cannot keep up with the changes.. And take measures, first, refer to the technology of drone autopilot for the entire operation process, second, use infrared thermal sensor to detect the principle of oil and moisture, and then use satellites, to transmit information to each other to grasp the exact range and location of oil pollution. After detection, the oil will be fenced according to the scope.