Psyllium as a flavor of Chinese medicine, water can be effective ingredients precipitation is limited, can not replace the medication to treat the disease, do not recommend blind use of psyllium soak, not to mention long-term drinking. Psyllium is the dried grass of the plant Plantago ovata or Plantago ovata, sweet in flavor, cold in nature, with the effect of clearing away heat, diuretic and gonorrhea, expectorant, cooling the blood, detoxification. It can be used in the treatment of feverish drenching (burning and stinging pain during urination, accompanied by frequent urination and urgency, and discomfort of traction in the abdomen), astringent pain, edema and urinary incontinence, summer dampness and diarrhea, phlegm-heat coughing, epistaxis, carbuncle, swelling, sores and poisoning and other diseases. Conventional use for decoction, drink water can play a certain diuresis (promote the operation of water to dispel dampness), clearing heat and detoxification effect, but the efficacy of drinking water is limited. Psyllium is cold, cold spleen and stomach, Yang Qi weak patients should be used with caution to avoid adverse consequences, the specific taking should be under the guidance of a doctor.