▎ 摘　　要

NOVELTY - Preparation of aromatic aldehyde involves dissolving aromatic benzyl alcohol in an organic reagent, adding self-made graphene oxide-supported titanium sulfate as catalyst, heating to 50-70 degrees C, adding 10~50% hydrogen peroxide aqueous solution, reacting for 3-12 hours, and performing column chromatography or vacuum distillation. USE - Preparation of aromatic aldehyde. ADVANTAGE - The method is simple, convenient, economical and environmentally-friendly, and is carried out under mild reaction conditions, uses recoverable solvent, performs oxidation in the absence of solvent, and uses catalyst which can maintain high conversion and selectivity, even after recycling 10 times.