Green tea belongs to non-fermented tea. The quality characteristic is &”;clear soup green tea&”;, which is a kind of tea with the largest output in China. The basic processing flow of green tea is divided into three steps: deactivation, rolling and drying. The green tea made by steam deactivation is called &”;steamed green tea&”;, and the tea deactivated by pan frying is divided into frying, drying and sun drying according to drying, which are called frying, baking and sun drying respectively. West Lake Longjing, Longjing series Biluochun series Shaanxi Wuzi green tea &”;Huashan&”; brand Lu &;an melon slice &”;Caoxi&”; brand Huangshan Mao Feng &”;Tianfang&”; brand Wuliqing and so on.