According to Records of Food Goods in the History of Jin Dynasty, in March of the fourth year of Cheng 'an (1 199), a workshop was set up in Haizhou (now Lianyungang) to make new tea. In the 24th year of Guangxu in Qing Dynasty (1898), gentry such as Shen Yunpei and Song Zhizhi, who lived in China, raised funds to develop Yuntai Mountain, set up a "tree art company" to cultivate Wu Yun tea, and the tea they produced won the Nanyang Association Award.
In recent years, Wu Yun tea has made great progress. There are nearly 2,000 mu of tea gardens in the city, with an annual output of nearly100t of Wu Yun tea. The production process of Wuyun tea is scientific and standardized, and there are strict technical requirements from fresh leaf picking, enzyme fixation, rolling, shaping, drying to brewing. 1980, at the tea tasting in Jiangsu Province, it was ranked as the three famous teas in Jiangsu Province with Nanjing Yuhua Tea and Suzhou Biluochun because of its unique characteristics of tight rope, eyebrow shape, graceful front seedlings, moist green, lasting fragrance, fresh taste, clear soup color and even leaf bottom.
According to expert appraisal, Wuyun tea is rich in theophylline, tea tannin and vitamins. Drinking Wuyun tea can refresh and quench thirst, clear away heat and relieve summer heat, induce diuresis, reduce swelling, relieve boredom, lower blood pressure, eliminate fatigue and improve memory.