Half lotus and white flowers snake tongue grass for two different herbs, its use should be based on the patient’s own specific condition in the physician under the guidance of the evidence, and not a few days to drink a statement. 1. half lotus: its drug source is the dried whole herb of the labiatae plant half lotus, its flavor is pungent, bitter, cold, with heat detoxification (clearing the body of heat and toxicity), the effect of diuretic stasis, can be used for sore throat, furuncle (mostly occurring in the limbs or facial sores, shape small root base deep, such as nails as hard), swelling and poisoning, bruises, jaundice, oedema and other evidence of the disease treatment. 2. White Flower Snake Tongue Grass: its drug source is the dried whole grass of the plant Cynomorium, taste slightly bitter, sweet, cold, with heat detoxification, diuresis and gonorrhea efficacy, can be used for sore throat, carbuncle sores and feverish gonorrhea (burning stinging pain in urination, accompanied by urinary urgency, discomfort in the abdomen) astringent pain and other evidence of the treatment of the disease. The above two herbs are cold in nature, so those who have yin gangrene (a general term for a class of slow-acting yin sores and ulcers) and spleen and stomach deficiency cold (spleen and stomach weakness and cold) should refrain from using them, and should not blindly use the herbs on their own.