Bull's tongue is a plant, also known as plantain, wheelwort commonly found on roadsides, field ridges and ditch sides. Psyllium is sweet and cold in nature, with the effects of diuresis, clearing heat, brightening eyes and expectoration. The main treatment for gonorrhea, blood in urine, urinary incontinence, gangrene, edema, hot diarrhea, diarrhea, eye redness and swelling, sore throat and so on. The theory of the nature of the herbs contained in the "treatment of blood in the urine, can tonify the five viscera, brighten the eyes, facilitate urination, through the five gonorrhea". The Materia Medica Feng Yuan", "if the deficiency slippery essence is not solid, it is forbidden". Plantain per 100 grams of young leaves and buds containing 79 grams of water, 10 grams of carbohydrates, 4 grams of protein, 1 gram of fat, 309 milligrams of calcium, 175 milligrams of phosphorus, 25 milligrams of iron, 5.8 milligrams of carotenoids, 23 milligrams of vitamins C, and choline, potassium salts, citric acid, oxalic acid, coral coral II and other components.