1. Alisma, also known as Jian Alisma and Fu Alisma, is the dried tuber of Alisma family. It is cold in nature, sweet and light in taste, enters the kidney and bladder meridian, and is often used for indigestion, swelling and fullness, diarrhea and oliguria, hot stranguria and astringent pain, hyperlipidemia, etc. It is known as " The first good product to benefit water."

Modern medical research shows that Alisma contains a variety of tetracyclic triterpene ketone alcohol derivatives Alismatol A, B, C and Alisma acetate A ester, B ester and epidermis

Epsomol A, etc., as well as ingredients such as lecithin, choline, asparagine, phytosterols, fatty acids, resins, starch, protein and potassium.

Pharmacological experiments have confirmed that Alisma has the following effects: 1. It can reduce serum cholesterol, lipoproteins, and triglycerides, and increase high-density lipoproteins that are beneficial to the human body

It can prevent and reduce atherosclerosis. 2. It can improve hemodynamics and myocardial blood supply. 3. It has anti-fatty liver effect. 4. Can improve sugar metabolism. 5. Alisma extract has the effect of lowering blood pressure. 6. It has a strong diuretic effect. 7. It has inhibitory effect on Staphylococcus aureus

, Diplococcus pneumoniae, and Mycobacterium tuberculosis.

Since Alisma itself has the effect of lowering cholesterol, lowering blood pressure, and lowering blood lipids, for middle-aged and elderly people, appropriate decoction of Alisma can clear away dampness and heat and facilitate urination.

, and can control the increase in cholesterol in the body. If it is used to strengthen the spleen and reduce phlegm, diuresis and reduce fat, you can choose 30 grams of Alisma, 10 grams each of pinellia, tangerine, yam, atractylodes, hawthorn, wolfberry, coix seed, polygonum multiflorum, and plantain. 15 grams each of grass and grass, decoction in water, take one dose in two times a day.