The present invention relates to an intestine cleansing composition comprising: a particular sugar alcohol, such as Xylitol or Sorbitol, as a first cleansing ingredient； ascorbic acid or a mixture of ascorbic acid and ascorbic acid salt as a second cleansing ingredient； picosulphate as a third ingredient； and a water-soluble solvent, wherein, with respect to the total composition, the content of the first cleansing ingredient is 10-500 g/L, the content of the second cleansing ingredient is 1-100 mg/L, the content of the third cleansing ingredient is 15-500 g/L, and the water-soluble solvent volume is 0.1-1.0 L, the intestine cleansing composition having a superb intestine cleansing ability, easier administration and improved safety, and thus can be used for intestinal cleansing for: colonoscopy, endoscopic surgeries and such； intestinal cleansing prior to abdominal surgeries； intestinal treatment prior to anal surgery, such as for hemorrhoids； and treating and alleviating diseases such as chronic and acute constipation.
