Method for producing a fiber preform by deposition of reinforcing fiber bundles on a surface and/or on reinforcing fiber bundles deposited on the surface, comprising the steps: - Supplying at least one continuous, ribbon-shaped strand of reinforcing fibers provided with a binder from a supply device to a deposition head, wherein the at least one strand has a width of at least 5 mm and a concentration of the binder in the range of 2 to 70 wt.% relative to the weight of the ribbon-shaped strand, - Spreading the at least one continuous, ribbon-shaped strand in a spreader unit arranged on the deposition head and conveying the at least one strand in the conveying direction by means of a first conveying device arranged on the deposition head to a longitudinal splitting device arranged on the deposition head, - Stabilizing thereby the at least one strand in the direction transverse to the conveying direction, - Cutting the at least one strand in the longitudinal splitting device along the longitudinal extension thereof into two or more partial strands by means of at least one splitting element, - Conveying the partial strands in the conveying direction by means of a second conveying device arranged on the deposition head to a cut-to-length unit arranged on the deposition head, - Cutting the partial strands by means of the cut-to-length unit into reinforcing fiber bundles of defined length, and - Depositing the reinforcing fiber bundles on a surface and/or on reinforcing fiber bundles deposited on the surface and fixing the reinforcing fiber bundles on the surface and/or on reinforcing fiber bundles deposited on the surface to form the fiber preform, wherein a relative movement between the deposition head and the surface is adjusted to provide load-appropriate deposition of the reinforcing fiber bundles on the surface. - Supplying at least one continuous, ribbon-shaped strand of reinforcing fibers provided with a binder from a supply device to a deposition head, wherein the at least one strand has a width of at least 5 mm and a concentration of the binder in the range of 2 to 70 wt.% relative to the weight of the ribbon-shaped strand, - Spreading the at least one continuous, ribbon-shaped strand in a spreader unit arranged on the deposition head and conveying the at least one strand in the conveying direction by means of a first conveying device arranged on the deposition head to a longitudinal splitting device arranged on the deposition head, - Stabilizing thereby the at least one strand in the direction transverse to the conveying direction, - Cutting the at least one strand in the longitudinal splitting device along the longitudinal extension thereof into two or more partial strands by means of at least one splitting element, - Conveying the partial strands in the conveying direction by means of a second conveying device arranged on the deposition head to a cut-to-length unit arranged on the deposition head, - Cutting the partial strands by means of the cut-to-length unit into reinforcing fiber bundles of defined length, and - Depositing the reinforcing fiber bundles on a surface and/or on reinforcing fiber bundles deposited on the surface and fixing the reinforcing fiber bundles on the surface and/or on reinforcing fiber bundles deposited on the surface to form the fiber preform, wherein a relative movement between the deposition head and the surface is adjusted to provide load-appropriate deposition of the reinforcing fiber bundles on the surface.