Ophiopogon can nourish yin, moisten the lung and clear the heart; wolfberry can nourish the liver and kidneys, benefit the essence and eyesight (replenish essence, promote vision recovery), the two can be served together to nourish yin and moisten dryness, nourish the cough, nourish the liver and kidneys, nourish the liver and eyesight; the active ingredient of the drug soaked in water is limited to the precipitation of the drug, decoction effect is better. Ophiopogon is sweet, slightly bitter, slightly cold in nature, belonging to the heart, lung, stomach meridian, the efficacy of nourishing yin, moistening the lungs and clearing the heart, often used in the treatment of dry lung dry cough, yin deficiency cough, paralysis of the throat (pharyngeal redness and swelling, pain, or dryness, a sense of foreign body, or itching, discomfort, dysphagia), sore throat, injury to the fluids, thirst, heartburn and insomnia, intestinal dryness constipation, and so on. Maitake is contraindicated for those who have deficiency of spleen and stomach (spleen and stomach weak and cold), diarrhea, and external wind-cold, phlegm-damp cough. Lycium barbarum is sweet in taste and flat in nature, belonging to the liver and kidney meridian, with the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes, and is often used in the treatment of lumbar and knee pain, dizziness and ringing in the ears, as well as impotence and spermatorrhea, and unclear vision, etc., which are caused by the deficiency of the essence. The two soaked in water and served together, can nourish yin and moist dryness, produce fluids and cough, nourish the liver and kidney, liver and eyesight, but the role is limited, can not replace the regular medication to take. It is recommended that patients in need of treatment under the guidance of a doctor to standardize the medication, should not be taken without authorization, so as not to delay the condition.