tea and its derived tea culture originated in China，spread for thousands of years and have a far-reaching impact. For thousands of years，tea has been widely spread all over the world. Chinese tea drinking utensils and tea making technology，together with Chinese traditional tea ceremony culture and unique oriental philosophy，have spread all over the world. Since ancient times，tea trade has become an extremely important part of the history of business exchanges between many countries and China. Tea has gone to the world and won the wide love of people all over the world. Today，tea has become the first of the three major drinks in the world，and 3 billion people in more than 160 countries and regions drink tea. Tea has made indelible contributions to the physical health and spiritual life of all mankind. Tea is no longer a simple leaf or a kind of plant，but a vibrant culture. It crosses the boundaries of nations and countries and has become the link of economic，cultural and emotional exchanges among people of all countries.