The generic name of Heshang is Compound Polyethylene Glycol Electrolyte Bulk. The amount of water used is related to body weight, with an average dose of 3 to 4 liters, and the exact dosage needs to be taken according to the doctor’s instructions. Copolyethylene glycol electrolyte is an intestinal cleansing agent for adults only, and is mainly used to prepare the intestines of patients before endoscopic or radiologic examinations and colon surgery. For oral administration, dissolve the contents of each sachet in 1 liter of water and stir until the powder is completely dissolved. The exact amount of water is related to body weight, about 1 liter of prepared solution is needed for every 15-20 kg of body weight, i.e., the average dose is 3-4 liters, which can be taken in one dose or in divided doses, preferably starting 4 hours before the operation or examination, or on the night before the operation or examination. Some patients may experience nausea and vomiting when first taking the drug. 1 hour after taking the drug, patients may experience abdominal distension or discomfort; if the symptoms are severe, the interval can be increased or the administration of the drug can be suspended, and the drug can be resumed after the symptoms have been relieved or have disappeared until watery and clear stools are passed. Compound Polyethylene Glycol Electrolyte Dispersant can cause continuous diarrhea, which can disturb the absorption of other drugs, therefore, it is necessary to try to avoid combining with other drugs, so as not to affect the treatment. For the frail elderly, pregnant and lactating women need to take this drug under the guidance of a doctor. Compound Polyethylene Glycol Electrolyte Bulk is a prescription drug, it is recommended that the specific dosage and usage follow the doctor’s instructions, so as not to affect the efficacy of treatment.