▎ 摘　　要

NOVELTY - The preparation method of coating involves weighing 0.1 mmol/l N,N-dimethylpentathiocan-7-amine dispersion liquid and 100 mg/l graphene solution and then mixing, ultrasonically processing the mixture and then stirring, leaving the mixture, adding polyamide resin curing agent to the mixture in a volume ratio of 1:2 and then stirring, adding 50 wt.% epoxy resin to the mixture and continuously stirring for 10 minutes. USE - The method is useful for preparation of coating. ADVANTAGE - The method enables simple preparation of coating with high efficiency and excellent corrosion resistance.