The invention belongs to the technical field of catalyst preparation, and discloses an alkyl aromatic hydrocarbon dehydrogenation catalyst preparation method, which comprises: adding deionized water to a beaker containing K2O, CeO2 and WO3 to obtain a potassium salt-containing aqueous solution, a cerium salt-containing aqueous solution and a tungsten salt-containing aqueous solution; uniformly mixing the obtained aqueous solution, sequentially adding Fe2O3 powder, heavy rare earth oxide, a pore-enlarging agent and a binder, and fully and uniformly stirring by using a stirrer to prepare a stick...
