▎ 摘　　要

NOVELTY - An anthracene-phenanthrene detecting method involves utilizing thionine as a probe and mixing with graphene to prepare electrochemical modified electrode. The electrochemical modified electrode is utilized for quantitative detection of anthracene-phenanthrene resultant. USE - Method for detecting anthracene-phenanthrene. ADVANTAGE - The method enables detecting anthracene-phenanthrene with good reproducibility and free of toxicity, reduced interference of coexisting substances, and high selectivity and sensation, in a simple, easy and cost effective manner.