The earliest existing tea book appeared in the first dynasty, which was the peak of tea culture in China.

The first peak of tea culture in China was in the Tang Dynasty.

1. The formation and popularity of fried tea ceremony The earliest manifestation of China tea ceremony was the fried tea ceremony formed in the middle Tang Dynasty, and Lu Yu's Tea Classic laid the foundation for the fried tea ceremony. "Tea Ceremony" was Lu Yu's best friend, poet and tea man at the earliest. He explained Jiao Ran's poem "Drink a tea song with Cui Shi to be a gentleman". Feng Feng's "Wen Jian Ji" Volume 6 "Drinking Tea" shows: "Lu Hung-chien, a Chu man, wrote about tea and had a constant bear, which was widely embellished by Hung-chien's theory.

So the tea ceremony became popular and all the princes and ministers drank it. The simple tea ceremony was formed in the late 8th century and the two Dynasties, and was widely popular in the middle and late Tang Dynasty in the 9th century, and spread to the Korean Peninsula and the Japanese archipelago.