The odor threshold value of methyl anthranilate, ethyl-o-aminobenzoate and dimethyl anthranilate in wine were studied. The threshold values were in range of 5μg/L~10μg/L. 173 samples were tasted by wine taster and detected by UPLC. The ratio of samples which had special odor in coarse wine was higher than the ration of the high quality wine. Especially in substandard products, the majority had special odor. The ration of samples in which essence were detected was 2.9%. The content of methyl anthranilate in wine was between 0.02mg/L~ 0.10mg/L.