Jiuqu Red Plum black tea originated from Jiuqu in Wuyi Mountain, the farmers from Northern Fujian and southern Zhejiang moved northward and settled down in Zhejiang Dawu mountains. They cultivated grain and tea to make a living, it has promoted the production of local farmers. Some of the farmers from the south are good at making black tea, which is purchased by Hangzhou tea company and tea brand, and has been followed up to now. Whether the picking time of Jiuqu red plum is suitable or not is related to the quality of tea. The quality of tea is the best before and after Grain Rain festival, and the second is before and after Qingming. The picking standard of Jiuqu red plum requires one bud and two leaves to make, the key is fermentation and drying. Jiuqu red plum is called Jiuqu red plum because its color is red, fragrance is clear, and it tastes sweet and mellow. It is the only one black tea among 28 famous teas in Zhejiang Province, it has a history of nearly 200 years and became famous more than 100 years ago. As early as 1886, it won the gold medal of Panama world expo, but its reputation is inferior to that of West Lake Longjing tea. Its quality is comparable to that of Qimen black tea in Anhui Province.