The dangers of Xia Ku Cao are not clear at the moment because it has not been verified by evidence-based medicine. Xia Gu Cao belongs to a kind of traditional Chinese medicine, which is the dried fruit spikes of Xia Gu Cao, a plant in the family of Labiatae. Its flavor is pungent, bitter and cold in nature, and it has the efficacy of clearing the liver and diarrhea (removing the liver fire), brightening the eyes, dispersing the knots and subduing the swelling. The drug can be used for eye redness and swelling pain, eye pearl night pain, headache and dizziness, scrofula (mainly refers to the neck lymph node tuberculosis), gall tumor (equivalent to thyroid tumor), breast carbuncle (acute suppurative disease of the breast, equivalent to acute suppurative mastitis in western medicine), breast fetish (painful lumps in the breast department, which is closely related to the menstrual cycle and the changes of emotions and moods, equivalent to the mammary hyperplasia disease), breast distension and pain. Xiaku Cao’s adverse reactions are not clear at present, avoid using with potassium salts, also should not be combined with potassium-preserving and sodium-excluding drugs, patients with weak spleen and stomach should be cautious; pay attention to avoid spicy and stimulating food when using the drug. If you need to use the drug Xia Gu Cao, you should be guided by a professional Chinese medicine doctor, do not buy and use on your own to avoid delaying your condition.