Tea, refers to the leaves and buds of the tea tree. Alias tea, Thea sinensis (jiǎ), tea, Thea sinensis (chuǎn). It refers to the leaves of the tea tree, an evergreen shrub, which can be used to make tea, as well as the drinks made from these leaves, and was later extended to include all herbal teas made from plant flowers, leaves, seeds, and roots, such as "Chrysanthemum Tea", etc.; and "Herbal Tea" made from various herbs, etc., also known as Lei Buds in Chinese literature. In Chinese literature, it is also called lei bud. In some countries, there are also fruits and herbs and other plant leaves and brewed tea, such as "fruit tea".
Tea originated in China, the earliest remains of artificial tea planting were found in the ruins of Tianluoshan in Yuyao, Zhejiang Province, with a history of more than 6,000 years. Tea drinking began in China. Leathery leaves, oblong or oval, can be directly brewed with boiling water, based on varieties and production methods and product appearance into six categories. According to the seasonal harvesting can be divided into spring tea, summer tea, autumn tea, winter tea. With a variety of gross tea or refined tea leaves reprocessed to form the re-added tea, including the division into flower tea, pressed tea, extracted tea, medicinal health tea, tea beverages, and so on.