The usage of Compound Polyethylene Glycol Electrolyte Bulk will be different, such as the treatment of constipation, twice a day, 125 ml each time; 4 hours before doing colonoscopy bowel preparation, drink 250 ml every 15 minutes until watery stool. 1. Constipation: for people with functional constipation, take twice a day, 125ml each time, for intestinal obstruction, gastric retention and other diseases are prohibited. 2. Bowel preparation before colonoscopy: start taking the drug 4 hours before doing the examination, take 250ml every 15 minutes until the stool is watery. Compound Polyethylene Glycol Electrolyte Dispersant has adverse reactions such as severe diarrhea and allergy. It is recommended to use the drug under the guidance of a doctor. If symptoms such as dehydration occur, it is recommended to consult a doctor in time.