The invention discloses a milk type essence containing methyl p-tert-butylphenylacetate. The essence includes acetic acid, butanedione, ethyl acetate, propionic acid, acetoin, isobutyric acid, butyricacid, ethyl butyrate, ethyl lactate, 2-heptanone, butyl methyl sulfate, hexanoic acid, ethyl levulinate, 2-nonanone, methyl octanoate, caprylic acid, ethyl maltol, mercaptan, 2-undecanone, coconut aldehyde, capric acid, sulfurol acetate, 4-methyl-5-thiazolylethyl acetate, ethyl vanillin, gamma-decalactone, delta-decalactone, methyl p-tert-butylphenylacetate, lauric acid, undecanolactone, delta-dodecalactone and propylene glycol. A formula and ratio are optimized, the milk fragrance of the product can be greatly enhanced through the addition of the methyl p-tert-butylphenylacetate and other components, and the milk fragrance can be made to be different, and therefore, the integral style of the essence can be more high-end.