The invention relates to prepared meat-flavor oily essence and a preparation method thereof. The prepared meat-flavor oily essence is prepared through the following method that: monomer fragrance raw materials such as 2-methyl-3-furathiol, dual (2-methyl-3-furathiol), trans, trans-2, 4-decadienal, 4-hydroxy-2,5-dimethyl 3(2H)-furanone, trans, trans-2,4-heptadiene aldehyde, trans, trans-2,4-nonadienal, 2,3,5-trimethyl pyrazine, 5-methyl-furfural, diallyl disulfide ether, 4-methyl-5-thiazoleethanol, 2,3-dimethyl pyrazine, difurfuryldisulfide, distilled ginger oil, green Chinese onion oil, onion oil, 2-acetyl-furan, 3-mercapto-2-butanol, cassia oil, star anise oil, 3-methylthio propyl alcohol, butanedione and soy fouranone are respectively diluted by soybean oil to a stipulated concentration, then the diluted fluid is uniformly mixed, finally the soybean oil is used as a solvent to supply the 100 percent, and an essence finished product is prepared. Note of the essence consists of meat note, butter note, burnt odor, spice, delicate green note, nut note and onion and ginger note.