The invention discloses a novel botanical insecticide comprising the following raw materials: Chinese prickly ash, onion, garlic, wasabia japonica, wormwood, melia azedarach, angled bittersweet, ailanthus altissima, lettuce, mint, ricinus communis, sylvite, a phosphorus salt, a nitrogen salt, a calcium salt, a magnesium salt, an iodated salt, a boron salt, a molybdenum salt, a zinc salt, a manganese salt, a copper salt, an iron salt, vitamins, amino acids, indole butyric acid, gibberellin, 6-benzyl adenine, naphthylacetic acid, agar, kinetin, polyvinylpyrrolidone, sodium methylene bis-naphthalene sulfonate, an American DuPont EEA2112AC compatibilizer, an earthworm powder, alkyl potassium sulfate, acrylate, 3-epoxypropoxy propyl trimethoxysilane, xanthan gum, and ethanol. The novel botanical insecticide has all the primary killing rates on geometer, yellow spider and lopholeucaspis jopomca cockerell. plant pests of more than or equal to 97.16% which is higher than the killing rate of a conventional novel botanical insecticide, has no drug resistance, and can be used for 5-8 years; and at the same time, with the use of the novel botanical insecticide, the yield and the sugar content can also be improved.