Tea has a very long history in China. The first pharmacological monograph of the Warring States Period, Shennong Materia Medica, recorded a sentence: " Shen Nong tastes all kinds of herbs for medicine,he came into contact with about 72 kinds of poison one day, and gets rid of them by tea." One of the Legends of the origin of tea is that Shennong treats diseases for people and tries to cure diseases by various kinds of plants. When boiling water, occasionally tea leaves float into the pot from the branches, so tea is found to be a drink for treating diseases .The second legend is that when Shennong tried to cure the disease for people, he tasted Unknown herb-medicine and he was poisoned and fell under the tea tree. The water from the tea tree flowed into Shennong's mouth and was saved. In the spring and Autumn period, tea began to be put on the market. To the Tang Dynasty. With the development of tea culture, the relevant information about tea culture and its development has been systematically recorded, representing the "Tea Classic" compiled by Lu Yu.