Ｃｕ－ＺｎＯ－ＺｒＯ２／ＳｉＯ２催化剂对甲醇催化脱氢制甲酸甲酯的反应具有良好的活性和选择性．应用连续微反、差示热分析、Ｘ射线衍射、程序升温还原、Ｘ射线光电子能谱分析和红外光谱等技术，对该催化剂的活性中心本质、ＺｎＯ及ＺｒＯ２的助催化作用、可能的反应机理以及催化剂的失活原因进行了探讨． Cu-ZnO-ZrO2 / SiO2 catalyst has good activity and selectivity for the catalytic dehydrogenation of methanol to methyl formate. Application of continuous micro-inverse, differential thermal analysis, X-ray diffraction, temperature-programmed reduction, X-ray photoelectron spectroscopy and infrared spectroscopy, the active center of the catalyst, the catalytic role of ZnO and ZrO2, the possible reaction mechanism As well as the reasons for the deactivation of the catalyst were discussed.