White flower snake tongue grass has two effects: 1, clearing heat and detoxification: in the clinical first role in sore throat, snake bite or carbuncle sores and poison, because white flower snake tongue grass is bitter cold products, it has a strong effect of clearing heat and detoxification, treatment of carbuncle sores and poison, can be used alone or can be taken internally, external use can be. In addition, it can be used to treat canker sores and abdominal pain, and is often used in combination with red vine and septoria; it is also used in the treatment of sore throats and throat, together with panax quinquefolium, xuan ginseng and fat sea; it can be used alone or in combination with half a lotus and ziziphiopogon, etc. 2, dampness and laxative: it is used to clear heat, dampness and laxative in the urinary tract, and is often used in combination with half a lotus.