A chain conveying apparatus for spouts or bags having spouts, including a pair of annular chains. The attachment plates are provided on the respective oppositely-rotating annular chains so that the attachment plates have play in a vertical direction. Centering guide members are disposed so as to be close to the axial portions of the spouts so as to regulate the movements of the spouts in the direction perpendicular to the attachment plates' moving direction; upper-side guide members and lower-side guide members are disposed above and below the attachment plates so as to regulate the height position of the attachment plates; and flange regulating members are disposed so as to be above the flanges of the spouts, which is being conveyed, with a narrow gap between the flange regulating members and the flanges so as to regulate an upward movement of the spouts.