Eucommia does not hurt the stomach, there is no relevant clinical report that Eucommia hurts the stomach. Cortex Eucommiae is the bark of the plant Cortex Eucommiae, which is warm in nature, sweet in flavor, and belongs to the liver and kidney meridians. Its main effects are tranquilizing the fetus, tonifying the liver and kidney (tonifying the liver and kidney both), benefiting the essence (tonifying the essence), and strengthening the muscles and bones. Cortex Dulcis is mainly used for treating kidney deficiency and lumbar pain, restlessness of the fetus, habitual abortion, weakness of the tendons and bones and leakage of blood in pregnancy. It does not injure the stomach. There is no relevant evidence-based evidence of such adverse reactions. The adverse reaction of Cortex Eucommiae is not clear at present. Contraindication is to avoid pairing with Xuan Shen and Snake Skin. This product is a warm tonic, so it should be used with caution for those with yin deficiency (deficiency of yin essence in the body and hyperactive fire). If used with other medicines, there may be interactions between the medicines. If there is a need for Cortex Eucommiae, it should be applied under the guidance of a physician, and if there is any adverse reaction after taking it, it should be discontinued and medical attention should be sought.