There are differences between hyssop and Sichuan hyssop in terms of origin, character and efficacy. In terms of origin, Sichuan hyssop is mainly produced in the Sichuan Basin, while Huai hyssop is produced in the famous historical capital of medicinal herbs, Huaiqingfu, i.e. the area of Jiaozuo in present-day Henan Province. In terms of properties, the surface of Sichuan hyssop is yellowish brown or greyish brown, while the color of hyssop is brighter and more vivid in comparison. Its effects include removing blood stasis and clearing the channels, tonifying the liver and kidneys, strengthening the muscles and bones, inducing diuresis and diuresis, and inducing the blood to flow downward. Caution is advised for pregnant women. Chuan Niu Knee is used for removing blood stasis and clearing menstruation, facilitating the joints, diuretic and diuresis. It is used in treating menstrual obstruction and obstruction of the abdomen, not being able to keep the clothes in the womb, bruises and injuries, rheumatism and paralysis, impotence and contracture of the muscles, and urination and hemorrhagic drenching. It should also be noted that pregnant women should be cautious. The above drugs should be used under the guidance of a physician, do not unauthorized use of drugs, in order to avoid adverse consequences.