Glasses of different shapes will not change the essence of wine, but have different influence on the aroma and taste of wine. The shape of glass will lead the flow direction and strength of wine in mouth and influence the appreciation of wine structure and taste by the gustatory areas of tongue (tongue has four different gustatory areas, where the tongue tip is the most sensitive area to sweet taste, the rear tongue is to bitterness and the inner and outer sides of tongue are to acidity and salt respectively), thus influencing the aroma, taste, balance and lingering charm of wine. In order to appreciate various wines more satisfactorily, Changyu offers multiple varieties of drinking glasses with different features.