The invention discloses a preparation method of a high-performance noble metal catalyst. The method comprises the following steps: 1, adding polyvinylpyrrolidone to anhydrous ethanol, performing stirring until the polyvinylpyrrolidone is completely dissolved, then adding sodium percarbonate, performing mixing, and carrying out a reduced pressure distilling reaction for 2-4 h to obtain a viscous slurry; 2, adding tourmaline powder to the viscous slurry, performing ultrasonic dispersion for 20-60 min, adding the obtained material into a mold, and carrying out constant-temperature pressurizing curing to obtain a prefabricated block; 3, adding the prefabricated block to anhydrous ethanol, and carrying out microwave soaking for 30-60 min to obtain a residual liquid and a porous block; 4, addingpalladium acetate to the residual liquid, performing ultrasonic dispersion for 2-10 min, and carrying out reduced pressure distillation to form a concentrated liquid; 5, adding the porous block to the concentrated liquid, taking out the porous block, drying the porous block, and carrying out infrared drying for 2-5 h to obtain a prefabricated block; and 6, adding the finally obtained prefabricated block to acetic acid, carrying out an ultrasonic reaction for 20-40 min, taking out the prefabricated block, and drying the prefabricated block to obtain the catalyst. The preparation method has theadvantages of strong feasibility, high recyclability and reusability of the anhydrous ethanol, and meeting of national environmental protection requirements.