Using 4-chloropheny1aldehyde as the starting material, tebuconazole was synthesized by condensation, hydrogenation, epoxidation, and ring-opening. A new catalyst was used to avoid production of the byproduct, 4,4- dimethyl-3-(4H-1,2,4-triazole-4-ylmethyl)-1-(4-chlorophenyl)-3-pentanol. Overall yield was over 65%, and purity was over 98.0% without requiring recrystallization. Economic and technical indices of this synthetic method are more favorable than those previously reported, and the method has already been commercialized.