"By optimizing the manufacturing process of the preparation of fibrous wood composites by purpose modification with applying ecologically acceptable lignocellulosic preparations, a new innovative product – fibrous based bio-composites with the higher mechanical and improved hygienic characteristics can be prepared to expand the assortment of required innovative products currently required by the woodworking industry. In our research, we focused on the proposal and experimental preparation and following evaluation of selected qualitative and hygienic characteristics of new types of fibrous wood bio-composites that can be considered as environmentally acceptable innovative wood products. "