Cortex Eucommiae in wine has the effect of tonifying the liver and kidney, and strengthening the muscles and bones. Cortex Eucommiae is the dried bark of Cortex Eucommiae, family Eucommiaceae, which is sweet in flavor, warm in nature, and belongs to the liver and kidney meridians. It is mainly used to treat lumbar and knee pain and weakness of muscles and bones caused by deficiency of liver and kidney (weakness of liver and kidney), and can also be used to treat fetal restlessness in pregnant women, but the brew is not suitable for women during pregnancy. Precautions: Cortex Eucommiae is a warm herb, and should not be used by patients with yin deficiency (deficiency of yin and essence in the body, and the appearance of hyperactive deficiency fire). It should not be taken blindly, and it is recommended to consult a professional physician first; it can be used with other medicines to make wine at the same time, but it should be carried out under the guidance of a professional physician.