The invention discloses a highly-resistant broad bean straw 3D printing material and belongs to the technical field of preparation of 3D printing materials. The highly-resistant broad bean straw 3D printing material comprises, by weight parts, 80-125 parts of broad bean straw powder, 31-50 parts of polylactic acid, 22-34 parts of sodium dipolyphosphate, 25-30 parts of propylene glycol methyl ether acetate, 16-24 parts of specific synthetic agent and 7-13 parts of starch synthetic agent. The manufactured material has good toughness and impact strength, and a product printed through a 3D printing technology is high in quality, high resistant to impact, high in strength, non-toxic, low in carbon, environmentally friendly and low in cost, has wooden color and can be recycled and have very high economic value and wide market prospect.