You can put brown sugar in plantain boiling water. But for people with high blood sugar, in order to avoid causing blood sugar fluctuations, it is not recommended to put brown sugar in plantain boiling water. A single drug is not as effective as a combination of drugs, please consult a professional physician or pharmacist to identify and treat. Psyllium, cold in nature, sweet in taste, belonging to the liver, kidney, lung, small intestine meridian. It is used for clearing heat and diuresis, clearing diuresis, expelling phlegm, cooling the blood and detoxifying the toxin. It is suitable for heat drenching (burning and stinging pain when urinating, accompanied by urinary frequency and urgency, abdominal discomfort), astringent pain, edema and urination, summer dampness and diarrhea (diarrhea caused by summer dampness), phlegm-heat coughing, epistaxis, and so on. Kidney deficiency is not solid spermatorrhea is prohibited. Brown sugar is mainly composed of sucrose, glucose, fructose, as well as some trace elements and minerals, psyllium boiled in water with brown sugar will not produce harmful substances. Psyllium boiled water taste bitter, add some brown sugar can increase the sweetness, improve the taste of drinking.