1. Palace Opera is also called "Florists Chrysanthemum" and "Huizhou Palace Opera", also called Huizhou Opera. Together with Hangju, Chuju and Boju, they are called the four famous chrysanthemums in China. Because it was given to the emperor as a tribute in ancient times, it was named "Gongju". Gongju has white flowers and green pedicels. After a long brewing time, even the tea soup will turn green. Gongju has the functions of clearing liver and improving eyesight, nourishing liver and improving eyesight. Gongju tea and some Chinese wolfberry are good eye protection for computer people.

Second, without fermentation, green tea retains the natural substances of fresh leaves, and contains many nutrients such as tea polyphenols, catechins, chlorophyll, caffeine, amino acids and vitamins. These natural nutrients in green tea have special effects of anti-aging, anti-cancer, sterilization and anti-inflammation, which are beyond the reach of other teas. Green tea is a kind of tea made from suitable new shoots of tea trees through typical technological processes such as enzyme fixation, rolling and drying. Its dry tea color and brewed tea soup and tea leaves are mainly green, hence the name green tea. Green tea is made from fresh leaves that have been picked, killed by various oxidases at high temperature, kept green, and then kneaded and dried. Clear soup and green leaves are the same characteristics of green tea quality. China produces all kinds of green tea. Henan, Guizhou, Jiangxi, Anhui, Zhejiang, Jiangsu, Sichuan, Shaanxi (southern Shaanxi), Hunan, Hubei, Guangxi and Fujian are the main green tea producing provinces in China.