Drinking eucommia in the correct dosage has no obvious harm, but making a tea with limited active ingredients is recommended for water decoction. Eucommia is a kind of traditional Chinese medicine, for the dried bark of the plant Eucommia, family Eucommiaceae. It has the effect of tonifying the liver and kidney, strengthening the muscles and bones, and tranquilizing the fetus. It can be used to treat dizziness and dizziness, soreness of the waist and knees, weakness of muscles and bones caused by deficiency of the liver and kidneys (weakness of the liver and kidneys), leakage of blood in pregnancy, and restlessness of the fetus. The adverse effects of Duchenne are still unclear, and it should be used with caution in cases of yin deficiency and fire exuberance (deficiency of yin and essence in the body, and the appearance of hyperactive deficiency fire). From the point of view of the adverse effects of dulcimer, there is no obvious harm in drinking dulcimer under the correct dosage and within the scope of the indications. The therapeutic effect of drinking water is limited, if there is a need for medication, need to be used under the guidance of a doctor to identify the evidence, do not blindly use their own medication, so as not to cause adverse effects.