There is a difference in source, origin and main treatment function between hyssop and Sichuan hyssop. The origin of hyssop is different from that of Sichuan hyssop, which is mainly produced in Sichuan, and hyssop is mainly produced in Henan; hyssop is the root of Amaranthus hyssop, and Sichuan hyssop is the root of Amaranthus chuanxianensis. Sichuan hyssop has the effects of expelling blood stasis and clearing menstruation (removing blood stasis and dredging up the meridians), facilitating joints, diuretic and diuretic (improving the problem of dribbling and urination, and the problem of low and impassable volume of urine), and it is mostly used for women’s blood stasis and amenorrhea, stagnant blood mass in the abdomen, bruises, rheumatic joints that are constricted and stiff with pain, and cramps in the feet, etc. It is also a good tonic for the body. While the good at nourishing the liver and kidneys, strengthen the waist and knees, draw fire downward, etc., used for liver and kidney deficiency caused by waist and knee pain, lower limb impotence and weakness, as well as urinary incontinence, gastric inflammation caused by bleeding gums and so on. The efficacy of the two drugs is more or less the same, but Huai Niu Knee favors tonifying the liver and kidney to strengthen the muscles and bones, while Chuan Niu Knee favors activating blood circulation and removing blood stasis, and is contraindicated in pregnant women and people with excessive menstrual flow; it is also used cautiously in people with diarrhea and bloating caused by deficiency in the spleen, and in people with excessive dreaming and seminal emission due to lack of solidity in the lower element (deficiency of kidney qi leading to spermatorrhea, premature ejaculation, and urination, etc). The above two drugs should be used properly under the guidance of a physician, do not blindly use the drug, there are uncomfortable symptoms, should actively seek medical attention, not unauthorized use of drugs, so as not to cause adverse reactions.