麦门冬又称麦冬或寸冬,是百合科多年生草本植物沿阶草的块根,其性微寒、味甘,具润肺养阴、益胃生津的功效,中医常用于热病伤阴、肺痿、肺痈、咯血、燥咳等症。如《本草正义》称“其味大甘,膏脂浓郁,故专补胃阴,滋津液,本是甘药补益之上品。凡胃火偏盛,阴液渐枯,及热病伤阴,病后虚羸,津液未复,或炎暑燥津,短气倦怠,秋燥迫人,肺胃液耗等证,麦冬寒润,补阴解渴,皆为必用之药。” Maimendong, also known as Ophiopogon japonicus or inch winter, is the root of the perennial herbaceous plant Liliaceae of Liliaceae. It is slightly cold and sweet and has the efficacy of nourishing lung, nourishing yin, and benefiting the stomach. It is commonly used in traditional Chinese medicine for the treatment of fever. Lung, lung, lung, hemoptysis, dry cough embolism. Such as “Materia Medica justice,” said “its taste is great, rich cream, it is specifically to make up stomach yin, zi fluid, this is the top product of gan medicine tonic. Where stomach fire is partial Sheng, Yin Ye gradually wither, and fever yin, After the illness, the vomiting, the body fluid is not recovered, or the yangshuo, the shortness of breath, the tiredness of the Qiuzao, the consumption of the lung and the gastric juice, etc., Ophiopogon japonicus is cold and the yin and thirst are quenched and thirst, all of which are necessary medicines.”