According to the Pharmacopoeia, the common dosage for internal use is 15~30 grams for the dried product, 30~60 grams for the fresh product, and the appropriate amount should be used externally; and the common dosage for internal use is 15~60 grams for the white-flowered snakeweed, and the appropriate amount should be used externally. Specifically need to consult a physician to clearly identify the evidence to choose the appropriate dose. The main effect is to clear away heat and detoxification (to remove heat and toxicity in the body), remove blood stasis and diuretic, stop bleeding and relieve pain, commonly used in the treatment of swollen and poisonous sores, sore throat, snake and insect bites, bruises, oedema, hemorrhage, jaundice, and so on. Because of its cold and bitter taste, it is easy to damage the spleen and stomach, so pregnant women, spleen and stomach cold (spleen and stomach weakness and cold) should be used with caution. White Flower Snake Tongue Herb is cold in nature, slightly bitter and sweet in taste, belonging to the stomach, large intestine, small intestine meridian, the main effect is to clear heat and detoxification, diuresis and drenching, commonly used in the treatment of carbuncle, sore throat, sore throat, venomous snake bites, burning and pain in urine, etc., and is contraindicated in people with a weak and cold spleen and stomach. If you need to use the drug, it is recommended to be under the guidance of a professional doctor’s diagnosis, not self-medication, so as not to delay the condition.