Efficacy: slimming, suitable for obese people. Lotus leaf is helpful for clearing away heat, relieving summer heat and inducing diuresis. People often use it to lose weight, and it has become the most commonly used weight loss product. Professor Zou Yunxiang, a contemporary famous doctor, thinks: "Patients with hypertensive heart disease, if their blood pressure is too high, their bodies are plump and obese, and their weight is about 80 or 90 kilograms, often add lotus leaves around 3 yuan to the prescription, which can be dried in winter." After taking the dose of 10, the body weight can be rapidly reduced by more than 5 kg, and even those with blood lipid as high as 600 mg can gradually return to normal. "This shows that the lotus leaf does have some good effects of lowering the bar. Lotus leaves contain liensinine, liensinine and succinic acid. Pharmacological studies have proved that the drug has the function of detumescence and lipid reduction. Lotus leaf has low toxicity and can be used for various types of obese patients. Real lotus leaf ash, because of its excellent effect, is very popular in the weight loss market. It is reported that there are a lot of fake lotus leaf ash in Baoding City, Hebei Province. The main feature is that the color is black, similar to plant ash, while the real lotus leaf ash is brown.