PROBLEM TO BE SOLVED: To provide a method for applying an insect repellent composition, which can efficiently obtain a corrugated cardboard exhibiting excellent insect repellent properties. SOLUTION: An insect repellent composition for applying an insect repellent composition containing an insect repellent component to a core 11 of a corrugated cardboard 10 having a core 11 and a front liner 12 and a back liner 13 which are arranged with the core interposed therebetween. A method for applying a pesticide, which comprises a transfer step of applying the insect control composition to one surface of the core 11 and transferring the insect control composition to the surface not coated with the insect control composition. A method of applying the composition. [Selection diagram] Fig. 1【課題】本発明は、優れた防虫性を発揮できる段ボールを効率的に得ることができる防虫組成物の塗工方法の提供。【解決手段】中芯１１、及び、中芯を挟んで配置された表面ライナー１２と裏面ライナー１３とを有する段ボール１０の中芯１１に、防虫成分を含有する防虫組成物を塗工する防虫組成物の塗工方法であって、中芯１１の一方の面に防虫組成物を塗工し、防虫組成物を塗工していない側の面に上記防虫組成物を転移させる転移工程を有する防虫組成物の塗工方法。【選択図】図１
