The study mainly introduces the new invent of the Alcoholic Beverage Favors Consulting System. It was to construct by using Grey Relational Analysis and Expert System. Samples were subjected to find the main
compounds and analyze the volatile elements included five components: dry extract, pH, titratable acidity, alcohol level and residual sugar. The price of the wine will also be included. The developed system performs
seven main functions:(1) user information input; (2) alcoholic beverage parameter setting; (3) text report generating; (4) results represent with photograph; (5) alcoholic beverage information querying; (6) decision
making and reasoning; (7) reasoning processes explanation. Consumers can easily make the best choice when facing a multitude of alcoholic beverage brands. The proposed system can greatly help consumers when buying alcoholic beverage.