The efficacy of San Ye Qing is to clear away heat and detoxify toxins, and it is mainly used for superficial or deep skin abscesses on the back, etc. Please follow the doctor’s instruction for specific medication. It is cold in nature, bitter in taste, and belongs to the spleen and stomach meridians. It is mainly used for treating carbuncle on the back (a kind of poisonous sores, acute suppurative disease occurring on the surface of the body, limbs and internal organs, i.e. cellulitis), and can also be used for treating sore throat, fever, coughing and gagging with yellowish thick phlegm, and various kinds of redness, swelling and heat pain. Note that people with cold spleen and stomach resulting in diarrhea, abdominal pain, self-consciousness of cold stomach, etc. should not use; pregnant women should not use. The usage of Cloverleaf Green is mostly for external application, using appropriate amount of fresh herbs to be pounded and applied to the affected area. If there is any discomfort, please go to the hospital in time, and use the medicine after diagnosis and identification by the physician, do not use the medicine arbitrarily.