Abstract: Recent technical and research progress of the catalytic hydrogenation of 4,4′-methylenedianiline is reviewed. The effects of different catalyst systems，reaction temperature，pressure，solvents as well as the type of reactors are discussed. Future direction of research and development and industrial application is proposed.

摘要： 综述了4,4′-二氨基二苯甲烷（MDA）催化加氢技术的研究进展。总结了该反应所用的不同催化体系的特点，分析了反应温度、压力、溶剂种类等因素的影响，讨论了不同类型反应器的特征，指出了MDA催化加氢反应的未来研发和应用方向。