The invention relates to a composition for taking dietary fibers, which comprises 1 to 50% by weight, on the basis of the whole composition, of dietary fibers composed of water-soluble and hardly fermentable dietary fiber and water-soluble and fermentable dietary fiber, wherein the water-soluble and fermentable dietary fiber is contained in a proportion of 0.1 to 3 parts by weight per part by weight of the water-soluble and hardly fermentable dietary fiber. The composition remarkably ameliorates not only bowel movement frequency but also full consciousness, feeling of unsatisfied defecation, etc. and is hence useful as food for ameliorating bowel movement.
