1, Polygonum multiflorum Thunb. is a commonly used Chinese medicine, which is warm in nature and bitter, sweet and astringent in taste. Indications: Radix Polygoni Multiflori is used to detoxify, eliminate carbuncle and relieve constipation; It can be used for treating scrofula, sore, carbuncle, rubella, pruritus, constipation due to intestinal dryness, and hyperlipidemia. Radix Polygoni Multiflori Preparata can tonify liver and kidney, nourish essence and blood, blacken hair and beard, and strengthen bones and muscles; It can be used for dizziness, tinnitus, premature gray hair, soreness of waist and knees, numbness of limbs, neurasthenia and hyperlipidemia.

2. Polygonum multiflorum Thunb can be taken in water for a long time. According to modern medical research, Polygonum multiflorum Thunb contains lecithin and enkun substances such as chrysophanol, emodin and rhein, which can combine with cholesterol, reduce the intestinal reabsorption of cholesterol, reduce blood lipid, prevent atherosclerosis, and also inhibit human tuberculosis. Chrysophanol contained in Polygonum Multiflori Radix can also promote intestinal movement and prevent constipation. Polygonum multiflorum Thunb generally has no side effects, but it can slip the intestine and cause mild diarrhea, so it is not suitable for people with loose stools.