Red Cow Knee is the Chinese medicine Cow Knee, which has the efficacy and function of activating blood circulation and promoting menstruation, tonifying the liver and kidney, strengthening the muscles and bones, inducing diuresis and lymphatic drainage, and inducing the fire to go downward (to inhibit the rise of fire in the kidneys). It is bitter, sweet, sour and flat in nature. It has the effects of activating blood circulation, tonifying the liver and kidney, strengthening the tendons and bones, inducing diuresis and lymphatic drainage, and inducing the fire to go downward. This product can be used in the treatment of stagnant blood stagnation, menstrual cramps, dysmenorrhea, menstrual abdominal pain, dyspareunia (the placenta can not be delivered after a long time after the delivery of the fetus), bruises and injuries, lumbar and knee pain, lower limb impotence and weakness, gonorrhea (increased frequency of urination, astringent and painful gonorrhea), oedema, dysuria (unruly urination), headache, vertigo, dental disease, mouth and tongue sores, vomiting of blood, epistaxis, and other diseases. The adverse reactions of this product are not clear. Note that this product is forbidden to those who are allergic to it, and should be used with caution for those with allergic constitution. It is also forbidden to be taken by those who are under the sinking of the middle qi (deficiency of the spleen and stomach qi, with the manifestation of the falling of internal organs, etc.), diarrhea due to deficiency of the spleen (weakness of the spleen leading to diarrhea), non-solidity of the lower element (deficiency of kidney qi leading to spermatorrhea, premature ejaculation, and urination, etc.), those who suffer from dreaming and slippage of spermatozoa, and those who suffer from excessive menstrual flow, as well as pregnant women. If you need to use this product, it should be under the guidance of a physician, do not use the drug without authorization, so as not to cause adverse reactions.