The invention discloses an orange insecticide used in spring and summer, which comprises the following components in parts by mass: 15-25 parts of achnatherum inebrians, 12-24 parts of pyrethrin, 20-30 parts of poplar leaves, 15-20 parts of dried tangerine peel, 3-6 parts of matrine, 6-10 parts of a melia azedarach extract, 4-8 parts of an ailanthus altissima extract, 2-4 parts of peppermint, 4-6parts of castor oil, 1-3 parts of sodium nitrate, 3-5 parts of magnesium chloride, 2-4 parts of potassium iodide, and 400-500 parts of water. The insecticide of the invention utilizes the strong absorption function of the orange surface layer, the trace elements of the nutrient substance can be added, more nutrition of the orange tree can be provided while the insect is killed, and the insecticideensures that the yield of the orange is not affected by the pest.