A sheet feeding apparatus including: a sheet loading table; and an adsorption conveyance section having: multiple belts with through-holes; and an air suction section in an inside of the belts and absorbs air through the through-holes; wherein the conveyance section sucks air, allows the sheet to be adsorbed to the belt, and conveys it; the adsorption conveyance section further includes: a first roller provides driving force to the belts; a second roller rotated by the belts, and a third roller between the first roller and the second roller and rotated by the belts, and the belts are supported by those rollers; and an outer surface of the belts mostly protrudes towards the sheets on the table at a central part of the third roller in a cross section perpendicular to the conveyance direction containing a shaft of the third roller.