Ophiopogon, with the effect of generating fluids to quench thirst, moistening the lungs and relieving cough. Mainly used for treating dry lung and cough, cough with deficiency of Yin, paralysis of the throat (redness, swelling and pain in the pharynx, or dryness, foreign body sensation, or itchy 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 such as overeating, excessive drinking, excessive urination, etc.), heartburn and insomnia, and constipation due to dryness of the bowels. Chrysanthemum has the effects of dispersing wind-heat, calming liver-yang, clearing liver-heat and improving eyesight (clearing liver-heat to promote vision recovery), and clearing heat and removing toxins (clearing heat and toxins from the body). It is used for treating wind-heat colds, the first signs of warm diseases, dizziness of liver-yang, liver-wind syndrome, redness and dimness of the eyes, sores, carbuncles and swollen toxins. Cassia Seed, with the effect of clearing heat and improving eyesight (removing heat from the body and promoting the recovery of eyesight), laxative and laxative. The main treatment for eye redness and swelling pain, shyness and tears (eyes afraid of light, often tears), dark eyes, headache, dizziness, intestinal dryness and constipation. Caution should be exercised for those with cold spleen and stomach deficiency (weak and cold spleen and stomach) and loose stools (thin and unformed stools). Maitake chrysanthemum cassia seeds together with the effective dose of water is limited, generally can not achieve the therapeutic effect. If there is any discomfort after drinking the water, it is recommended to stop using it and seek medical advice promptly.