The terms “fire” and “fire-reducing” are folk expressions. Maitong is slightly bitter and cold in nature, so it is inclined to reduce fire rather than cause fire.
Mai Dong is the tuberous root of the lily plant Mai Dong, sweet, slightly bitter, slightly cold in nature, is one of the common clinical Yin Yin class of drugs, has the effect of nourishing Yin and moistening the lungs, benefiting the stomach to produce fluids, and clearing the heart to remove the annoyance.
Ophiopogon is cold in nature and has a good effect of nourishing yin. It can be used to treat constipation and dry mouth caused by stomach yin deficiency, and can also be used to treat dry cough with little phlegm, dry nose and throat caused by lung yin deficiency, as well as heart and mind disturbances, insomnia and forgetfulness, palpitations and so on.
To summarize, Maitong is cold in nature and has the effect of nourishing yin and lowering fire, but will not lead to fire. The specific use of drugs need to consult a professional doctor’s advice, not self-medication, so as not to cause adverse consequences.