Both of them belong to the Chinese herbal medicine of clearing heat and detoxifying. It is hard in taste, cold in nature, and belongs to the lung, liver and kidney meridians, and has the effects of clearing heat and detoxifying, dispersing blood stasis and stopping bleeding, inducing diuresis and reducing swelling. It can be used clinically for the treatment of: 1) sores, canker sores, poisonous snake bites and cancer; 2) bruises, vomiting and epistaxis; 3) abdominal edema, hematochezia and astringent pain. It is sweet and bitter, cool in nature, and belongs to the lung, stomach, large intestine and small intestine meridians, with the effect of clearing heat and detoxifying, eliminating carbuncles and relieving dampness. It can be used clinically for the treatment of: 1) carbuncle, sore throat, sore throat, intestinal canker, poisonous snake bite, and cancer; 2) hot gonorrhea and astringent pain, and unfavorable urination. Modern pharmacological studies have shown that both have anti-inflammatory and anti-tumor effects, and are often used clinically to treat various infectious diseases and tumors.