At the end of the 1980s survey, deputy director, bureau of economic crops in Xiushui County agronomist Xu Qing tea resources found that people have the habit of drinking tea Xiushui (ie paliurus, then soaked drinking) when the Jiangxi province agriculture minister Shu Huiguo organization, by Xu Qing, Leng Renxuan (Professor of Jiangxi College of TCM) using the traditional the traditional Chinese medicine theory and modern scientific method of preparation, in Xiushui cyclocaryapaliurus leaves as the main raw material, adding high-quality tea mountain herbs and Xiushui, supplemented by food and medicine, prepared Qingjian tea (or tea), its preparation method obtained national patent, patent number: 891000232, the pharmacological experiments and clinical verification. Green health tea (tea) with the prevention of diabetes, cardiovascular disease, anti-aging and enhance immunity function.