Sodium Phosphate Salt is an oral solution, and the fact that the Sodium Phosphate Salt solution is more effective and more acceptable to patients than other methods, including polyethylene glycol solutions, is why Sodium Phosphate Salt is also used. And when used as prescribed, side effects are not particularly high. Sodium Phosphate Salt solution is mainly used to clean the bowel before colorectal x-rays and intestinal endoscopy or before surgery. Side effects of the drug may include nausea, vomiting, bloating, fatigue, dizziness, and occasionally elevated aminotransferases on liver function tests and anal irritation. When used in accordance with medical advice, the above side effects are not particularly serious. In addition, with the use of sodium phosphate salts to prepare the bowel, the rate of excellent quality of whole colon cleansing is higher than that of other drugs such as polyethylene glycol, with good microscopic cleansing and a low incidence of adverse effects. It is also more acceptable to patients because of its good taste and patient tolerance. It should be noted that sodium phosphate salt is prohibited to be used in patients with congenital megacolon, intestinal obstruction, ascites, and congestive heart disease or renal failure, etc. During the use of the drug, it should be implemented in strict compliance with the doctor’s instructions to try to prevent the occurrence of adverse reactions.