The efficacy of the Chinese medicine Xia Gu Cao is to clear the liver and diarrhea fire, brighten the eyes, etc. Patients need to use the medicine reasonably under the guidance of an old Chinese medicine practitioner. Xia Gu Cao is pungent, bitter, cold in nature, and belongs to the liver and gallbladder meridian. It mainly has the effects of clearing the liver and diarrhea, brightening the eyes, dispersing lumps and eliminating swelling, and is mainly used in the treatment of headache and dizziness, red and swollen eyes, eyeballs and night pains, breast carbuncle, lactation fetish (a painful lump in breasts that is closely related to menstrual cycle and changes in emotions and moods and equivalent to mammary gland hyperplasia), and breast distension, etc. The adverse effects and contraindications of taking Xia Gu Cao are not clear for the time being. The adverse reactions and contraindications of taking Xia Gu Cao are not clear at the moment, and people with weak spleen and stomach should be cautious of taking it. Patients can take Xia Gu Cao under the guidance of traditional Chinese medicine practitioners according to their own conditions, and if necessary, it can also be used with other medicines as prescribed by the doctor, so as to achieve a better therapeutic effect.