The effects of Cortex Eucommiae with Cow’s Knee are mainly to tonify the liver and kidney, and strengthen the muscles and bones. Cortex Eucommiae is a yang tonic, slightly sweet and warm in nature. It belongs to the liver and kidney meridians. In addition to tonifying the liver and kidney, strengthening muscles and bones, it also has the effect of tranquilizing the fetus. It is an important medicine for treating soreness of waist and knees, muscle weakness, numbness of limbs, etc. of deficiency of liver and kidney (weak function of liver and kidney). It can also treat kidney deficiency and impotence, as well as various kinds of lumbago, fetal restlessness, and habitual abortion. Adverse effects of Cortex Eucommiae is not clear, and with snake skin, Xuan Shen is evil, Yin deficiency fire (Yin essence deficiency in the body, the appearance of hyperactive fire) should be taken with caution. Cow’s Knee is a medicine for activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), with the efficacy of activating blood circulation and removing blood stasis, tonifying the liver and kidney, strengthening the tendons and bones, inducing diuresis and lymphatic drainage, and inducing the fire to go downward (inhibiting the rising of the fire in the kidneys). It is used for treating amenorrhea and dysmenorrhea due to blood stasis and obstruction, placenta failure in women in labor, lumbar and knee pain due to deficiency of the liver and kidney, impotence and weakness of the lower limbs, edema, dysuria, dizziness and headache, and sores on the mouth and tongue. Adverse reactions are not clear, pregnant women and excessive menstruation is contraindicated. The above two drugs are not recommended to mix and match on their own, need to be under the guidance of a physician safe use of drugs. If there is any discomfort, it is recommended to consult a doctor in time to avoid delaying the condition.