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综述了近三十年来国内外有关在改性 ZSM-5沸石催化剂上，甲苯、甲醇苯环烷基化制备对二甲苯反应的研究状况。经过改性的 ZSM-5型沸石具有合适的孔径和适当强度及数量的表面酸中心，有利于反应活性及选择性的提高。参考文献 145篇。
The research status of p-xylene production by benzene ring cycloalkylation of toluene and methanol on the modified ZSM-5 zeolite catalyst was reviewed in the past thirty years. The modified zeolite ZSM-5 has the appropriate pore size and surface acidity with suitable intensity and quantity, which is conducive to the improvement of reactivity and selectivity. 145 references.