The invention discloses a microbial green environmentally-friendly pesticide comprising the following components by weight: 2-6 parts of pityrosporion ovale powder, 10-25 parts of escherichia coli powder, 5-6 parts of bacillus subtilis powder, 8-12 parts of ephedra, 1-2.5 parts of raw ginger, 2.5-3.5 parts of erodium stephanianum willd, 20-35 parts of cocklebur fruit, 30-40 parts of pomegranate peel, 12-32 parts of folium artemisiae argyi, 11-21 parts of cordate houttuynia, 9-16 parts of andrographis paniculata, 3-8 parts of hemp, 7-9 parts of serrate chloranthus, 9-13 parts of artemisia annua leaf, 2-5 parts of tobacco, 3-8 parts of phytolacca americana, 10-2 parts of radix stemonae ,15-20 parts of chinaberry fruit, 4-10 parts of camphor, 3-4 parts of an emulsifier, 5-6 parts of turpentine and 80 parts of water. The microbial green environmentally-friendly pesticide has the beneficial effects that: the microbial green environmentally-friendly pesticide has the contact killing and stomach poisoning effects, is free of toxicity, pollution and residue, non-pollution, safe to human and livestock and birds, does not produce injury to plants, and is broad-spectrum in insecticidal effects and strong in penetration.