The tea industry which was continuously developed after the emancipation, while it boggled at agricultural pesticides incident in 2007, there was a attack from coffee, and hovered between the life and the death. Like this, as economic scale decrease, the possibility of the government might give up with tea industry and sell the whole tea market to abroad. And it is perceived from tea industrial circles to tea culture, the crisis spread quickly. Even in this situation, there are messages from surroundings to change this crisis to a chance. The most important thing in these hopeful messages is 'The tea industry development and a legislative bill about the tea culture promotion' which was moved on April 18th, 2013 and 'The food service regulation' which Gyeongsan Namdo promotes and ‘Gyengjeon line cultural train’ which Korail is preparing. In this situation, this paper studied about the people who were used to drink tea's average life expectancy from Koryo dynasty to today, in order to report 'Drinking tea can make people to live a long life.' To sum up, it is like following states. *In the characteristics of tea which is given from the heaven, the tea(tree) supports human benefits, that is called as the virtue of tea. *The virtue of tea can be divided into material part, artistic part, and psychological part, through these four parts of the virtue of tea, human can get health and longevity. *This paper discussed about the virtue of tea in Korea, China and Japan, these three countries. As we inspect, the virtue of tea has very close relationship with lifespan. In other words, people who drinking tea can live a longer life than non-drinking tea's. *The result of researching average life expectancy, in Koryo dynasty aristocratic class' average age is expected to be about 37.25years old, in Chosun dynasty is about 30years old, and between 1910 to 2010, the average life expectancy is about 54.07years old of all time. *The result of researching the average life expectancy of 49people who were used to drink tea is shown as 62.69years old, however, it is higher than Koryo dynasty aristocratic class. *The result of researching the average life expectancy of 266people of Chosun dynasty who were used to drink tea is shown as 65.40years old, it is much higher than about 30years old of average life expectancy in Chosun dynasty. *The result of researching average life expectancy from 1910 to 2010 of 000people who were used to drink tea is shown as 00.00years old, it is 00.00years higher than 54.07years old which is the averaged life expectancy.
Ⅰ. 들어가는 말
Ⅱ. 茶德과 수명과의 관계
Ⅲ. 평균수명과 차인들의 수명 고찰
Ⅳ. 나오는 말