The international tea day established by the unitednations. The establishment of international tea day,it's to praise tea for its impact on the economy the value brought by society and culture. A leaf fell into the water and changed the taste of it Henceforth,tea was born. China is known as the home of tea. Since ancient times, tea has penetrated Chinese culture, leaving its aroma in poetry, etiquette and customs. Traditional tea processing techniques and associated social practices in China were inscribed on the Representative List of the Intangible Cultural Heritage of Humanity in 2022.