The present invention relates to a kind of pesticide ointment and applying device thereof. The pesticide ointment comprises 15-30 parts of solid wax used as a carrier, 20-40 parts of pasty grease, 20-50 parts of liquid oil and 0.5-20 parts of pesticide serving as an active ingredient. The present invention further provides a preparation method of the foregoing ointment. The pesticide ointment provided by the present invention uses soft wax as a main carrier, contains different types of pesticides as active ingredients and can actively suppress fungi, kill pests and remove weeds. As it is a solid preparation, the ointment may be smeared on the target positions and will not contaminate non-target positions.本發明涉及一種除害劑藥膏及其施藥裝置,所述除害劑藥膏包括用作載體的固體蠟15-30份、軟膏狀油脂20-40份、液體油脂20-50份,以及作為有效成分的除害劑0.5-20份。本發明還提供了上述藥膏的製備方法。本發明提供的除害劑藥膏以軟蠟為主要載體,混入不同種類的除害劑為有效成分,能夠有效抑制細菌、殺滅害蟲和清除雜草,因其是固態製劑可以把藥膏塗抹在目標位置,不會污染非目標位置。