Abstract: The present invention provides fiber materials, knits and textiles, nonwoven fabrics, miscellaneous daily goods or foam materials having an improved dyeability, bio-compatibility, anti-microbial activity, good bio-degradative property, and being effective for deodorizing uses, growth enhancing uses for plants and medical uses, and having anti-microbial effect produced from the chitin-chitosan viscose which is produced by a xanthogenation reaction of alkaline chitin-chitosan having a different DAC ratio through a pre- and post-immersion steps in an NaOH solution, or from a viscose in which chitin-chitosan and cellulose are solubilized.