▎ 摘　　要

NOVELTY - A solid-phase micro-extraction fiber is prepared using reduced graphene oxide as coating material by taking graphite oxide as raw material and ascorbic acid as reducing agent, reducing graphite oxide, depositing in the form of three-dimensional structure on surface of stainless steel wire, and using reduced graphene water loss collapsing property to fix on surface of stainless steel wire. USE - The method is used for preparing solid-phase micro-extraction fiber using reduced graphene oxide as coating material for separating and enriching related pollutants in environmental samples. ADVANTAGE - The method can be used for mass production, has green preparation process, low cost, high mechanical strength, good thermal stability, uniform and controllable coating, easy installation and disassembly and long service life, and does not need to chemically process stainless steel wire surface.