Maitong can be used with asparagus, codonopsis and bamboo leaves to relieve dry mouth, and is recommended to be used under the guidance of a doctor. Ophiopogon is cool in nature, sweet in taste and slightly bitter in taste. It has the functions of nourishing yin and promoting the production of fluids (nourishing the body’s water fluids), moistening the lungs and relieving coughs, clearing the heart and removing vexation (clearing the vexation of the heart and heat within the heart). Where the spleen and stomach deficiency cold (spleen and stomach weakness cold) diarrhea, stomach phlegm (water metabolism disorders formed by the pathological products) dampness and turbidity, etc. are contraindicated. Asparagus can nourish yin and promote the production of fluid, nourish yin and moisten dryness (nourish yin essence and clear away heat), and can be used with maitake to enhance the effect of nourishing yin and relieve dry mouth. It is not recommended for people with deficiency-cold diarrhea and cough caused by wind-cold. Radix Codonopsis pilosulae has the function of strengthening the spleen, tonifying the lungs, benefiting the qi and generating fluids (promoting the production of fluids by tonifying the qi). Used together with Maitong, it can alleviate asthma and coughing in the lungs, dryness of the mouth, and shortness of breath and spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement), etc. It is not recommended to use it with veratrum. It is not suitable to be used with veratrum, and should not be taken by those with solid evil. Bamboo leaf has the functions of clearing heat and removing vexation, generating fluids and diuretic. Used with maitake, it can relieve the heartburn and thirst caused by heat illnesses that injure fluids. It is contraindicated for those with cold spleen and stomach and loose stools (thin and unformed stools). The adverse effects of the above drugs are not known. If Maitong is to be used in combination with other drugs to treat dry mouth, it is recommended to consult a doctor first to find out the cause of the disease and select the appropriate drug for the cause under the doctor’s guidance.