Yuexin is a slimming product based on the traditional concept of health preservation and breaking through the traditional concept of slimming. Combined with the metabolic balance theory of modern science, the directional weight loss method is adopted to reduce excess body fat, and the most popular body fat weight loss raw materials, such as Yunnan green tea, crocus sativus, Gynostemma pentaphyllum, chitin, water-soluble cellulose, vitamin A, vitamin C, vitamin B6, etc., are extracted from pure medicinal and edible plants. They do not contain any hormones and antibiotics, and have passed the product quality inspection of Sichuan Provincial Center for Disease Control and Sichuan Provincial Bureau of Quality and Technical Supervision, and they are all natural preparations, which are safe and have no side effects.