▎ 摘　　要

NOVELTY - Composite material comprises 25-35 pts. wt. spider silk, 5-10 pts. wt. modified carbon nano-tube, 15-20 pts. wt. polylactic acid, 3-8 pts. wt. nano-zinc oxide composite graphene modifier, 1-5 pts. wt. chitosan, 1-4 pts. wt. seaweed polyphenol and 30-35 pts. wt. ethanol solvent. USE - The composite material is useful in medical material (claimed). ADVANTAGE - The composite material has improved antibacterial strength and toughness; enhances compatibility between raw materials, enhances heat antibacterial stability and has improves comprehensive performance of the product. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing composite material comprising firstly stirring, mixing the raw materials, forming spinning solution, spraying the spinning solution into the bath solution by using electrostatic spinning technology, conducting wire, heating, winding, forming and obtaining composite material, where the voltage of the electrostatic spinning is 10-15 Kv, the spinning liquid flow is 1-5 ml/hour, the heating temperature is 150℃ and the winding speed is 150-200revolutions/minute.