The invention provides a preparation method of a zirconium and zirconium alloy electrode and belongs to the technical field of production of zirconium and zirconium alloy ingots. The preparation method includes the steps of producing a plurality of electrode pieces formed by pressing sponge zirconium and a zirconium alloy plate; symmetrically distributing the electrode pieces at the two sides of the zirconium alloy plate and welding the electrode pieces on the zirconium alloy plate, thus producing the electrode. The invention aims to provide a preparation method of the zirconium and zirconiumalloy electrode. The method can solve the problem that a bulk material in the prior art cannot be added directly, enhances the tensile strength of the electrode, and completely solves the problems ofquality reduction since a consumable electrode may break and fall into a weld pool during a vacuum consumable smelting process.