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.

• 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。