Maitong has the effects of nourishing yin and moistening the lungs (nourishing the lungs by replenishing their fluid), benefiting the stomach and generating fluid (nourishing the stomach by replenishing the fluid in the stomach), and clearing the heart and removing vexation (removing vexation and heat within the heart), and it can be used for treating deficiency of yin in the lungs and stomach, as well as deficiency of yin in the heart. Ophiopogon is the tuberous root of Ophiopogon, family Liliaceae, which is bitter and cold in nature. It can be used clinically for treating dry thirst and tongue, pain in the stomach and epigastric region, hunger, dry stools, etc. caused by stomach yin deficiency; dry cough with little sputum, hemoptysis, sore throat and mute voice caused by lung yin deficiency; and heart yin deficiency resulting in heartburn, insomnia, forgetfulness, palpitations (heartbeat speeding up, often accompanied by panic), palpitation (heart beat is rapid and often accompanied by panic), dyskinesia (heart beat is rapid, and panic and uneasiness), etc. It also can help treat heartburn and heart disease. Note that Maitake is contraindicated in cases of loose stools due to spleen deficiency, phlegm and dampness in the lungs and stomach, as well as in cases of coughing due to wind-cold at the beginning of the day. Patients should standardize the use of medicine under the guidance of professional Chinese medicine practitioners to avoid adverse effects.