本文研究报道了“海燕”超轻型飞机同其它防治法防治森林害虫的防治效果、每公顷平均防治成本及投入产出比。结果表明，“海燕”超轻型飞机治虫具防治投入低、防治效果稳定良好等优点，有较高的防治实用价值，经济效益显著，是一种合理、经济、有效同时易被基层单位接受的防治手段。 This paper reports the control effect of “Haiyan” ultralight aircraft against other forest pests, including the average prevention and control costs and input-output ratio per hectare. The results showed that “Haiyan” ultralight aircraft has the advantages of low investment in prevention and control of pest control and good control effect, which has high practical value for prevention and control and remarkable economic benefits. It is a reasonable, economical, effective and easily accepted by grassroots units means.