Maitong can be brewed and drunk in summer, but the brew may not be able to completely precipitate the active ingredients of Maitong, and only a single flavor of the drug, so the efficacy is limited. Maitong is the dried tuberous root of Maitong in the lily family. Taste sweet, slightly bitter, sex slightly cold. It belongs to the heart, lung and stomach meridians. It has the ability to nourish yin and generate fluids, moisturize the lung and clear the heart. It is used for dry cough, cough with deficiency of yin, paralysis of the throat (pharyngeal redness, swelling and pain, or dryness, foreign body sensation, or throat itching, discomfort, dysphagia), sore throat, thirst with injury to the body, internal heat and thirst (internal fever accompanied by symptoms such as overeating, drinking and urinating), heartburn, insomnia, and constipation with dryness of the intestines. Because of the cold nature of maitake, easy to hurt yang qi, so the spleen deficiency loose stool (feces thin not shaped), lungs and stomach with phlegm (water metabolism disorders of the formation of pathological products) damp and turbid, and the first sense of wind-cold coughing people should not be taken. It is recommended to use the medicine under the guidance of a doctor.