A pet feeding device is provided, including: a stand; an adjusting mechanism, being adjustably connected to the stand; a frame body, being supported by the adjusting mechanism and adjustably sized in diametric dimension to have a fixed diametric dimension.本發明關於一種寵物餵食裝置,包括:一座架;一調節機構,可升降地連接於該座架;一框體,承接於該調節機構,可變動地界定不同尺寸之框口,該框體變動後所界定之框口的尺寸常態維持不變。