The invention discloses an efficient 
plant protection product and a preparation method thereof, and mainly relates to the technical field of 
plant disease and 
insect prevention and control. The efficient 
plant protection product is prepared from the following raw materials in parts by weight: 10-20 parts of 
matrine, 5-12 parts of veratrine, 3-5 parts of 
bacillus thuringiensis, 1-3 parts of agrotis segetum granulosis 
virus, 1-3 parts of heliothis armigera granulosis 
virus, 1-3 parts of 
pieris rapae granulosis 
virus, 1-3 parts of 
plutella xylostella granules virus, 4-8 parts of 
beauveria bassiana, 3-6 parts of green 
muscardine fungus, 4-6 parts of 
machine oil emulsion, 1 part of surfactant and 5 parts of a 
thickening agent. The efficient plant protection product is prepared by adopting a plant-sourced extract as the main 
raw material of the plant protection product, has low cost, wide 
raw material source, environmental friendliness, no 
toxicity and no residue, can achieve efficient effects for preventing and controlling diseases and insects, sterilizing and killing insects; and the plant protection product can be used for preventing and controlling insects of garden trees, fruit trees, vegetables, crops and other insects, and the usage of chemical 
pesticide can be greatly reduced after the plant protection product is used.