The difference between asparagus and maitake mainly lies in the source of the drug, flavor and attribution, efficacy and main treatment. Asparagus is the root of asparagus of the lily plant, sweet, bitter, cold, to the lungs, kidney meridian. Ophiopogon is the dried tuberous root of Ophiopogon, family Liliaceae, with a sweet, slightly bitter flavor, slightly cold in nature, attributed to the heart, lung and stomach meridians, and there are some differences between the two. Asparagus has the effect of nourishing yin and moisturizing dryness, clearing the lungs and lowering the fire, and can be used to improve or treat dry lung cough, cough and phlegm, lumbar and knee pain, bone vapor and tidal fever (a burst of heat, feeling the heat from the bone to the outside through the heat), internal heat and thirst (internal fever accompanied by more food, more drink, more urine and other symptoms), fever and fluid injuries, dry pharynx and thirst and other illnesses. Maitong has the efficacy of nourishing yin and generating fluids, moistening the lungs and clearing the heart, and can be used to improve or treat dry lungs and coughs, coughs due to deficiency of yin and consumptive coughs, paralysis of the throat (redness, swelling and pain in the pharynx, dryness and sensation of a foreign body, itching and discomfort in the pharynx, and difficulty in swallowing), sore throat, thirst due to injury of the fluids, and thirst due to internal heat. It should be noted that although asparagus and maitake can be used in the treatment of dry lung dry cough, internal heat and thirst, but there is a certain difference, the use of the doctor’s evidence should be guided by, do not blindly use their own Chinese herbs.