The efficacy of Cortex Eucommiae is to tonify the liver and kidney, strengthen the tendons and bones, and tranquilize the fetus. It is recommended to consult a doctor when you need to use Cortex Eucommia Ulmoides or when you are not feeling well, so that a professional doctor can identify the symptoms and choose the appropriate treatment medication to avoid delaying the condition. Cortex Eucommia Ulmoides belongs to the category of deficiency tonic medicines, which is sweet in flavor and warm in nature, and is mostly used clinically for the deficiency of liver and kidney, lumbar and knee pain, weakness of tendons and bones, dizziness, leakage of blood in pregnancy, restlessness of the fetus, and high blood pressure. If the use of Cortex Eucommiae for the treatment of the lower element of the cold, kidney impotence, urinary frequency, often with ginseng, ripened rhizome, Ba Ji Tian, etc.; treatment of kidney deficiency lumbago, lumbar and knee pain, can be with walnut meat, bone marrow, etc.; the treatment of kidney qi insufficiency, lumbago, tinnitus, limb pain and weakness, can be used in the same way with yanhuisuo, fennel.