The invention discloses an ecological pesticide-added fertilizer scientifically prepared from minerals and organic fertilizers as fertilizer efficiency ingredients and Chinese herbal medicines as pest-killing and pest-dispelling ingredients, and a preparation method of the ecological pesticide-added fertilizer, belonging to the field of fertilizers. The ecological pesticide-added fertilizer is prepared from the following raw materials by weight parts: 6-50 parts of the organic fertilizers, 6.5-65 parts of crude salt, 3.5-35 parts of lime, 2-25 parts of atropa belladonna, 2-15 parts of poinsettia, 2-25 parts of alocasia macrorrhiza, 2-15 parts of rohdea japonica, 2-25 parts of flos daturae, 2-20 parts of chili and 2-25 parts of garlic. The ecological pesticide-added fertilizer has the characteristics of being safe, environment-friendly and free of toxic side effects, pesticide and fertilizer effects are integrated, the environment can not be polluted, the human health can not be threatened, a production process is simple, the material source is wide, and the pesticide effect and the fertility are good.