Ophiopogon is a yin tonic herb that nourishes yin and promotes the production of body fluid, moistening the lungs and clearing the heart, and its effects do not differ according to gender. There is no difference in its efficacy for men and women. Mai Dong is sweet, slightly bitter and slightly cold in nature, and is attributed to the heart, lung and stomach meridians. It is mainly used in treating dry cough with little phlegm, coughing and hemoptysis due to deficiency of yin and heat in the lungs, self-consciousness with bouts of fever, dry stools, restlessness of the heart and mind due to deficiency of yin (deficiency of yin essence in the body, which leads to hyperactivity of the deficiency fire) or exogenous fever, and dry and sore throat due to deficiency of yin and heat. Maitong can be combined with Mulberry leaf for dry cough with sticky phlegm; with Fructus Schisandrae chinensis for dry cough and asthma; with Radix Panax Ginseng for dry cough with itchy throat and constipation due to thirst; with Radix Panax Ginseng for shortness of breath and weakness, thirst and excessive sweating; with Rhizoma Zhimoides for cough and asthma with sticky phlegm, and heartburn and chest tightness; with Herba Cedrela for insomnia and forgetfulness due to heartburn and dreaminess. This drug should not be used for weak spleen and stomach, stomach cold pain, diarrhea, cough and phlegm, please consult a medical professional for specific drug use.