Cow’s Knee has the effects of tonifying the liver and kidney, strengthening the muscles and bones, inducing the blood to flow downward, diuretic and diaphoretic (to improve the problem of dribbling in urine and the problem of small amount of urine not being passed), and expelling blood stasis and opening the menstruation (to get rid of stasis of blood and dredge up the menstruation channels). It can improve amenorrhea and dysmenorrhea, weakness of muscles and bones, headache and dizziness, toothache and mouth sores, gonorrhea (increased frequency of urination, astringent and painful urination), edema, vomiting and epistaxis. The root of the herb is called Niu Knee, which is strong in removing blood stasis and clearing up menstruation, and is good at traveling downward, so it is used in the gynecological and obstetric diseases such as amenorrhea and dysmenorrhea caused by blood stasis and obstruction, menstrual abdominal pain, and cystocele not being able to keep in place (the placenta can’t be delivered for a long period of time after the delivery of the fetus) and the pains of bruises and injuries. It can also diuretic lymphatic, tonic liver and kidney, strong muscles and bones, for gonorrhea, edema, urinary incontinence (urinary incontinence), lower limb impotence, lumbar and knee pain, and other diseases also have curative effect. In addition, it is also good at inducing diuresis, directing heat downward and relieving headache and dizziness caused by inflammatory fire, mouth and tongue sores, toothache, vomiting blood and epistaxis. The adverse effects of hyssop are not clear, and hyssop should not be used in conjunction with tortoise shell, Lu Ying and Bai Qian. It is contraindicated in pregnant women, menorrhagia, hypogonadism (deficiency of kidney qi leading to spermatorrhea, premature ejaculation, enuresis, etc.), middle qi subsidence (deficiency of spleen and stomach qi, manifestation of lowering of internal organs, etc.), and diarrhea due to spleen deficiency (diarrhea caused by weak spleen function). If medication is needed, it should be used under the guidance of a professional Chinese medicine practitioner, and should not be used on its own to avoid delaying the condition.