Research Progress in Benzoic acid and ester Hydrogenation to benzaldehyde were reviewed. The new process of Benzaldehyde preparation were suggested for the shortage of present research progress.

• 摘要综述了国内外苯甲酸及其酯催化加氢制备苯甲醛技术的研究进展，并针对当前研究状况，提出了改进办法以及新型苯甲醛生产综合途径。