At present, there are two kinds of so-called fake liquor in the market: one is that small wineries fake famous liquor for sales performance, mainly in big cities or urban areas; The second is to blend and sell edible liquor with industrial alcohol, mainly in rural areas.

The main methods to identify counterfeit famous wine are: first, sensory evaluation, which compares and identifies whether there is a typical style of the famous wine or whether it has different degrees through the style quality composed of color, aroma and taste of the wine sample; Secondly, according to the physical and chemical composition table, chromatographic chart and sensory comments of the national famous wine standard samples, the samples are analyzed and compared one by one, and an authoritative conclusion is drawn.