Suining Qingqian Liucha is one of the specialties of Suining in Shaoyang, Hunan. Qingqian Liucha is a healthy drink made from a series of unique techniques such as selection, cleansing, spreading, killing, cutting, and drying, which are unique in China. Qingqian willow can regulate blood sugar, enhance the body's ability to accept and utilize sugar, protect and repair islet cells, regulate blood lipids, inhibit lipase activity, reduce fat digestion and absorption, scavenge free radicals, resist fatigue, and resist dementia .