茶是一种能提神解渴、具有多种药理作用、又有益于人体健康的饮料。在中国,饮茶已有几千年的历史,而茶与咖啡、可可成为现代世界三大非酒精饮料销往世界各地还是近代的事。目前全世界茶的总产量约3700万担,除少量药用及工业用外,绝大部分都为人类作饮料 Tea is a refreshing thirst, with a variety of pharmacological effects, but also beneficial to human health drinks. In China, tea drinking has been around for thousands of years, and tea and coffee and cocoa are the three major modern non-alcoholic drinks sold around the world or in modern times. At present, the total output of tea around the world is about 37 million, with the exception of a small amount of medicinal and industrial uses, most of which are beverages for human beings