1. Antibacterial effect Root decoction or whole grass distillate 1:4 000 can inhibit the growth of human-type toxic tuberculosis in vitro. Alcohol infusion 1:3 000 can inhibit human-type tuberculosis. The inhibitory concentration of water decoction is greater than that of alcohol infusion. 2. Effect on blood pressure. When applied to anesthetized animals such as dogs, cats and rabbits, it can lower blood pressure. Cirsium japonicum can inhibit the heart rate and cardiac contractility of isolated frog hearts and rabbit hearts, and can lower the blood pressure of dogs. It is suggested that its hypotensive effect is related to the inhibition of heart rate and cardiac contractility. 3. Animal experiments of hemostasis show that Cirsium japonicum can promote the first stage of coagulation process (that is, the production of prothrombin activator). Cirsium japonicum contains volatile oil, alkaloids, resin, inulin and cyanosides. The whole plant of Cirsium japonicum contains alkaloids and saponins. Pharmacology The water extract, ethanol-water extract and ethanol extract of Cirsium japonicum have been tested in anesthetized animals such as dogs, cats and rabbits, and proved to have the effect of lowering blood pressure. The same experiment of Cirsium japonicum proved that it has a significant and lasting effect of lowering blood pressure. Cirsium japonicum has the functions of clearing away heat and toxic materials, diminishing inflammation, stopping bleeding, restoring liver function and promoting liver cell regeneration, and is suitable for acute fever, inflammatory bleeding, jaundice, hepatitis, heat stranguria and hematuria. [Infectious hepatitis] Take a small cup of fresh grass of Cirsium japonicum and Cirsium japonicum, mashed juice and warm water kimono each time. The root of Cirsium japonicum is 30g per day, which is decocted in water twice. [Urinary tract infection, (bladder paralysis and pyelonephritis) hematuria] Cirsium japonicum15g, Malangen15g, decocted in water. [Nephritis urine protein does not disappear, hepatitis transaminase does not decrease] Cirsium japonicum root15g, and Ilex japonicum root 30g, decocted in water. [Hemophilia, mouth and nose bleeding, purple spots] Fresh Cirsium japonicum juice, and a little yellow wine, take a small cup each time, 2-3 times a day. [Women's bleeding, menstrual leakage] 30g of root seedlings of Cirsium japonicum and Cirsium japonicum and 0/5g of motherwort/KLOC-are decocted in water and taken twice a day. [Hypertension] Cirsium japonicum and Cirsium japonicum 3 ~15g, decocted in water instead of tea. [Bleeding from knife wound (trauma)] Wash the thistle seedlings, mash them and apply them. If they are dry, replace them. [Children's yellow water sore, wet, rotten, itchy and painful] Small thistle leaves are mashed, coated with sores, and replaced as soon as they are dry. [carbuncle with toxic heat, scabies with wet itching] Fresh Cirsium japonicum roots and leaves are mashed together with a little salt and applied to the affected part, or decocted and washed.