The difference in efficacy between Sichuan hyssop and Huai hyssop lies in the different focuses of their functions. Chuan hyssop and Huai hyssop enter the blood division (in the four periods of warm disease, Wei qi and Ying blood, it belongs to the most in-depth stage or disease), and are good at traveling downward. Both of them can promote blood circulation, tonify the liver and kidneys, strengthen the muscles and bones, lead fire (blood) downward, diuretic and diuretic (improve the problem of incomplete urination and small amount of urine), and can be applied to women with stagnant menstrual cramps, amenorrhea, obstructed labor, and incomplete birth of the placenta (the placenta is not able to be delivered for a long period of time after the fetus has been delivered). Chuan hyssop and Huai hyssop can also treat bruises, sprains and contusions, internal pain and external swelling. It is also effective in treating heat-induced hematemesis, epistaxis, edema, dysuria, toothache, redness of the eyes, and gonorrhea. Szechuan hyssop favors activating blood circulation to dispel blood stasis and induce blood to flow downward, and is better at treating dysmenorrhea and amenorrhea caused by internal obstruction of blood stasis, or nosebleed and chest pain caused by inflammation caused by deficiency fire. Huai Beef Knee is often used to tonify the liver and kidney, strengthen the muscles and bones, and is good at treating soreness of the waist and knees, deficiency of the liver and kidney (weak function of the liver and kidney), and impotence and weakness of the lower limbs. Contraindications of Chuan Niuji and Huai Niuji include pregnant women and those with excessive menstruation. Precautions should be taken with caution for those who are suffering from Zhongqi subsidence (deficiency of spleen and stomach qi, manifestation of viscera and bowels falling down, etc.), deficiency of spleen and diarrhea, non-solidity of the lower element (deficiency of kidney qi leading to spermatorrhea, premature ejaculation, and urination, etc.), and dreaming and slippery spermatorrhea. If you need to use the drug is recommended to be used under the guidance of a traditional Chinese medicine practitioner to identify the evidence, unauthorized use of drugs may cause adverse consequences.