一看泡沫:将啤酒徐徐倒入洁净的玻璃杯内,泡沫立即冒起,颜色洁白,细而均匀,能保持4至5秒的时间,并有泡沫挂杯现象的是优质品如果泡沫粗大,而颜色带微黄,消散快,泡沫不挂杯的是劣质品。二看颜色:目前市场上多为淡色啤酒,杯内必须清澈透明,整体呈悦目的金黄色如酒色混浊。透明度差、黏性大,甚至有悬浮物的是劣质品。三闻香气:用鼻子靠 A look at the bubble: the beer slowly poured into a clean glass, the bubble immediately risked white color, fine and uniform, to maintain 4-5 seconds, and there is a bubble hanging cup phenomenon is the quality of goods If the foam thick, The color with yellow, dissipate quickly, foam is not hanging cup of inferior goods. Second look at the color: At present, the market is mostly light beer, the cup must be crystal clear, the overall was pleasing golden yellow, such as wine color opacity. Transparency is poor, sticky, and even suspended matter is inferior products. Three scent: rely on the nose