A laser processing apparatus includes a feeding mechanism including at least one feeding roller and winds the electrode sheet around an outer circumferential surface of the feeding roller to feed the electrode sheet in a feeding direction. When an imaginary contact plane surface contacted with a first surface of the electrode sheet on the laser processing points generated on the electrode sheet by a laser irradiation mechanism is determined as a boundary, a region on a side where the electrode sheet is contacted with the imaginary contact plane surface is defined as a first region and a region on an opposite side is defined as a second region. A peripheral edge of an opening portion of the dust collection hood is placed in the first region with respect to the imaginary contact plane surface.