A component mounting apparatus for mounting components on a plurality of mounting regions placed on an edge part of a substrate along a first direction that is a direction along the edge part of the substrate, comprises component placing units for holding components placed in component delivery positions that are spaced from the edge part of the substrate in a second direction orthogonal to the first direction, moving the held components in the second direction, and placing the components onto the mounting regions, component feeding units for sequentially feeding the components to component feeding positions spaced from the component delivery positions, and component carrying units for holding the components fed to the component feeding positions, moving the held components, and placing the components in the component delivery positions. Therefore, the components can be placed even onto a large substrate with satisfactory working efficiency.