Astragalus is slightly warm in nature and can help heat, and maitake is nourishing and greasy and can generate dampness, so it is not recommended to drink astragalus and maitake water for people with damp-heat constitution. Astragalus, with the functions of tonifying qi and nourishing blood, consolidating the surface to stop sweating (stopping sweating by consolidating the muscle surface), and toxin expelling pus (expelling pus and poison from the body), can be used for treating qi deficiency with weakness of limbs and body, blood deficiency with yellowish color, loose stools with little food (thinning of feces and not shaped), and sweating due to deficiency of surface (due to the weakness of the muscle surface and frequent sweating naturally), etc. Its contraindications and adverse effects are not clear. Its contraindications and adverse reactions are not clear. Ophiopogon is used in the treatment of dry cough of lung, cough of consumptive cough due to deficiency of yin, paralysis of throat (redness, swelling and pain in the throat, or dryness, foreign body sensation, or itching and discomfort in the throat, difficulty in swallowing), sore throat, thirst due to injury of fluids, thirst due to internal heat (fever accompanied by symptoms of overeating, excessive drinking, excessive urination, etc.), heartburn, insomnia and constipation due to dryness of the bowels, etc. It is also used in the treatment of loose stools due to deficiency of the spleen and stomach. Where the spleen is weak and loose stools, the lungs and stomach have phlegm (water metabolism disorders formed by the pathological products) damp and turbid, and the first wind-cold coughing people should not take maitong. The effective dosage of Astragalus and Maitong in infused or boiled water is limited and generally cannot achieve therapeutic effect. If you need to drink astragalus maitake water, it is recommended to use under the guidance of a professional doctor.