A slope planting structure includes containing bags laid on the surface of a slope, stuffing filled in the containing bags, and fasteners. The containing bags are provided with plant seeds. The stuffing composed of plant growing material and absorbent material is filled into the containing bags. The containing bags are laid on the surface of the slope, and then the fasteners are inserted through the containing bags to secure the containing bags on the slope. The containing bags are integrated with the slope to secure the slope, providing protection and green effects.