▎ 摘　　要

NOVELTY - The preparation of molecularly imprinted electrochemical sensor involves preparing graphene oxide/carbon nanotube/ionic liquid/gold nanoparticle composite, preparing molecule imprinted polymer and detecting vanillin. USE - Preparation of molecularly imprinted electrochemical sensor for detection of vanillin in food (claimed). ADVANTAGE - The molecularly imprinted electrochemical sensor ensures strong selectivity, high sensitivity, and simple and fast operation.