The development of agriculture needs to solve the problem of insect pests, insect pests have always been a headache in agricultural planting. Scientific and rational pest management can help farmers reduce the crop loss caused by pests and diseases.However, the workload of pest monitoring is very large, which requires plant protection personnel to go to the field regularly to take samples and return to the laboratory for pest analysis. This requires a long period of time to complete the monitoring work, which will undoubtedly miss the best control period of pests and diseases. The aerial detection light is used to monitor the insect situation and grasp the information of the insect situation in the first time.