Wood butterfly, maitake and Luo Han Guo bubble water has clear heat and moisten the lungs, the effect of the pharynx and open the voice, but the tea can play a limited medicinal effect, can not replace the medication to treat the disease. Wood butterfly is used to clear the lungs and improve the pharynx, dredge the liver and stomach. It is used for lung-heat cough, laryngeal paralysis (pharynx is red, swollen and painful, or dry, with foreign body sensation, or pharyngeal itching discomfort, difficulty in swallowing), hoarseness, liver and stomach gas pain. Maitong nourishes yin and generates fluid, moistens the lung and clears the heart. It is used for dry cough of lung, cough with deficiency of yin, paralyzed throat and sore throat, thirst due to injury of fluid, internal heat and thirst (internal heat accompanied by symptoms such as excessive eating, drinking and urination), heartburn and insomnia, and constipation due to dryness of intestines and bowels. Spleen and stomach cold, loose food (feces thin not shaped), as well as external wind-cold, phlegm-damp coughing people should not take. Luo Han Guo clears heat and moistens the lungs, facilitates the pharynx and opens the voice, and lubricates the intestines and passes the bowels. Used for lung heat and dry cough, sore throat and loss of voice, intestinal dryness and constipation. Adverse effects of the above drugs are not clear. Wood Butterfly, Ophiopogon and Luo Han Guo in water have limited efficacy and cannot be used as a substitute for medication in the treatment of diseases. If there is a need for medication, it is recommended that it be used under the guidance of a professional physician, not blindly self-medication.