The invention relates to a methanation catalyst taking rutile type TiO2 as a carrier and a preparation method of the methanation catalyst and relates to methanation catalysts. The methanation catalysttaking the rutile type TiO2 as the carrier is prepared from the ingredients in percentage by mass: 2% to 16% of nickel oxide, 75% to 90% of titanium dioxide, 2% to 10% of rare-earth metal oxide and the balance of aluminum oxide. The preparation method comprises the steps: putting pseudo-boehmite and diluted acid into a kneader to prepare an aluminum sol composite binder, then, adding the rutile type TiO2 powder, carrying out kneading to obtain plastic mass, then, carrying out strip extruding forming, carrying out standing, carrying out baking, and carrying out roasting, so as to obtain the rutile type TiO2 carrier; preparing a complexing solution from a soluble nickel salt, a rare-earth metal soluble salt, ammonia water and citric acid, dipping the formed TiO2 carrier; after dipping, carrying out room-temperature standing, and carrying out baking; carrying out heat treatment: subjecting the dipped catalyst to programmed heating roasting, subjecting the nickel salt and the rare-earth metal salt to pyrolysis to obtain oxidation states, thereby obtaining the methanation catalyst taking the rutile type TiO2 as the carrier.