The invention discloses an environment-friendly biopesticide, which is characterized by comprising the following components by weight: 150-200 parts of matrine, 100-150 parts of nicotine, 150-200 parts of Cynanchum komarovii, 50-70 parts of Tripterygium wilfordii, 80-120 parts of saponins, 50-80 parts of hairyvein agrimony, 40-60 parts of euphorbia, 80-120 parts of Melia azedarach fruit, 40-60 parts of Melia azedarach bark, 1-10 parts of a synergistic agent, 5-20 parts of dandelion, 4-10 parts of purslane, 6-9 parts of cocklebur, 10-15 parts of pomegranate bark, 11-15 parts of folium artemisiae argyi, 12-18 parts of cordate houttuynia, 5-18 parts of Andrographis paniculata and 100-150 parts of water. The pesticide has no harm to human and animals, no hazard to crop, no pesticide residue, and no environmental pollution, and has the advantages of high efficiency, low toxicity and long persistent period as well as certain yield increasing effect.