TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preparation (Claimed): Preparation of the titanium dioxide carbon supported platinum base catalyst comprises: (1) dispersing carbon nanotubes into the concentrated nitric acid and sulfuric acid, condensing and then refluxing at a temperature of 50 degrees C for 3.5 hours, oxidizing the carbon nanotube, dispersing the nitric acid-oxidized carbon nanotubes to a mixed liquor of absolute ethyl alcohol and tetrabutyl titanate according to a volume ratio of 1:500-1:250, mixing solution of glacial acetic acid and absolute ethyl alcohol with deionized water, uniformly dispersing the solution (titanium dioxide-carbon nanotubes sol-gel) into the mixture of the absolute ethyl alcohol and tetrabutyl titanate at room temperature, magnetically stirring and drying titanium dioxide-carbon nanotubes sol-gel for 3-7 days to obtain titanium dioxide-carbon nanotubes as powder modified carbon carrier; (2) ultrasonically dispersing precursor comprising transition metal oxide, adjusting the pH value to 1, continuously and magnetically stirring the mixture for 5-8 hours, washing the mixture using hydrochloric acid, filtering the mixture after drying, and placing the mixture in an microwave oven at 2450 MHZ and 100 Watts for 3-10 seconds to obtain the modified powder carrier material as Mo3/titanium dioxide-carbon nanotubes carrier; (3) ultrasonically dispersing the titanium dioxide-carbon nanotube carrier in ethylene glycol and platinum chloride solution using sodium hydroxide, adjusting the pH value to 12, and condensing and then refluxing the solution at 130 degrees C for 3 hours to obtain the platinum-Mo3/titanium dioxide-carbon nanotubes; and (4) preparing the platinum-Mo3/titanium dioxide-carbon nanotubes at the lower room temperature under magnetic stirring, dispersing the Mo3-titanium dioxide-carbon nanotube in ethylene glycol and molybdenum chloride acid solution using sodium hydroxide, adjusting the pH value to 12 and drying at 130o?C to the condensing and refluxing for 3 hours to obtain platinum-MO3/titanium dioxdie carbon nanotube catalyst. Preferred Components: The solution of the transition metal oxide precursor is sodium tungstate and/or sodium molybdate solution.