何谓公道杯公道杯是我国古代利用“虹吸原理”制作的一种酒杯,又称“戒盈杯”“平心杯”“九龙杯”。公道杯的中间一般立着一人型(多为老寿星)或龙型的装饰物,当杯中的酒水超过某一个位置,酒水就会从小暗孔中流出,直到杯中酒水流尽为止。关于公道杯的创制时间,因为存世史料非常少,学术界还有不同的观点。有专家认为,最早应起源于战国时期,用青铜制作,用来劝诫大王饮酒适度。 What is fair Cup Fair Cup is used in ancient China “siphon principle ” produced a kind of wine glass, also known as “Ying Ying Cup ” “smooth heart ” “Kowloon Cup ”. In the middle of the fair cup, there is usually a one-person type (mostly old longevity) or a dragon-shaped decoration. When the drink in the glass exceeds a certain position, the wine flows out of the small dark hole until the cup of wine runs out. About the fair cup of creation time, because very few historical data, academics have different views. Some experts believe that the earliest should originate in the Warring States Period, with bronze, used to exhort the king to drink moderate.