Plantain boiled in water cannot get rid of spots. Psyllium is a commonly used traditional Chinese medicine drink, with the effect of clearing heat, diuretic and diaphoretic (improving the problem of dribbling and urination, and the problem of small amount of urine not being able to pass), cooling the blood and detoxifying the toxin, and relieving cough and expectorant. Plantain is mostly used in the clinical treatment of feverish drenching (burning stinging pain obvious when urinating, accompanied by urinary frequency and urgency, small abdominal traction discomfort) astringent pain, edema and urination, summer dampness and diarrhea, phlegm-heat cough, carbuncle swelling and sores and other diseases, but there is no efficacy of expectorant. It should be noted that if the deficiency and slippery essence is not solid, the plantain herb is prohibited. Psyllium is used internally or externally is not the efficacy of expectoration. It is recommended that according to their own conditions, symptoms, tongue, pulse, under the guidance of a doctor to identify the evidence before choosing drugs to adjust the symptoms. If you need to take psyllium, it is recommended to follow the doctor’s instructions.