Yin Chen water has the benefits of clearing dampness and heat, inducing diuresis and reducing yellowing. The bad side is that overdose can cause nausea, vomiting, transient dizziness and cardiac arrhythmia. Yin Chen is a commonly used traditional Chinese medicine for the dried above-ground parts of the plant Artemisia binarum or Artemisia cinerea of the genus Artemisia of the family Asteraceae. It is also known as Mian Yin Chen and Artemisia absinthium. It is slightly cold in nature, bitter and pungent in flavor; it has the effect of clearing heat and removing dampness (removing heat and dampness from the body), as well as diuretic and reducing jaundice. It can not only treat jaundice and low urine, dampness and warmth (warm disease caused by feeling dampness and heat), summer dampness, but also treat wet sores and itching. The adverse reaction of Yin Chen is related to overdose, which can cause nausea, vomiting, transient dizziness and cardiac arrhythmia. It should not be combined with digitalis drugs, quinidine, chloramphenicol. It should be used with caution in those who have blood accumulation and yellowing, those who have blood deficiency and yellowing, and those who are allergic to it. It is prohibited for those who are allergic to it. Avoid alcohol, spicy, greasy and stimulating food during the medication. If there is a need for medication, it should be taken under the guidance of a physician, do not buy and take without authorization, so as not to affect your health.