a multifunctional environmentally protective polyurethane composite material comprises a thermoplastic polyurethane ; an environmentally protective additive including recycled polymer , plant fiber , mineral , or metal powder ; and a thickening dispersant including natural rubber or synthetic rubber . by the thickening dispersant , the environmentally protective additive is uniformly added into the thermoplastic polyurethane to form the multifunctional environmentally protective polyurethane composite material . the environmentally protective additive can reduce the existing amount of waste or suppress increase of waste . with the use of the thickening dispersant and the environmentally protective additive , the multifunctional environmentally protective polyurethane composite material has advantages of light weight , good flowability , slip resistance , abrasion resistance , formability and low cost .