NOVELTY - Preparing electrooxidation sodium borohydride loaded nickel hollow carbon micro-sphere catalyst comprises e.g. mixing styrene, divinyl benzene and deionized water, introducing nitrogen, adding e.g. carbon tetrachloride, then adding e.g. potassium persulfate, stirring to obtain liquid emulsion, adding in low temperature groove, centrifuging, vacuum drying, obtaining polystyrene micro-sphere, preparing sodium polystyrenesulfonate cation exchange resin microsphere, immersing microsphere in nickel chloride solution, drying to obtain nickel cation exchange resin micro-sphere.    USE - The method is useful for preparing electrooxidation sodium borohydride loaded nickel hollow carbon micro-sphere catalyst (claimed).    ADVANTAGE - The method can greatly increase oxidization property and utilization rate of sodium borohydride.    DETAILED DESCRIPTION - Preparing electrooxidation sodium borohydride loaded nickel hollow carbon micro-sphere catalyst comprises (i) mixing styrene, divinyl benzene and deionized water, introducing nitrogen, adding pore-forming agent, and carbon tetrachloride, maintaining the temperature at 60 degrees C, then adding potassium persulfate and sodium chloride, stirring and raising the temperature gradually to 70 degrees C, reacting for 10-12 hours to obtain liquid emulsion, adding liquid emulsion into the low temperature groove, washing and centrifuging with ethanol, vacuum drying at 50 degrees C for 8-10 hours, obtaining polystyrene micro-sphere, (ii) swelling polystyrene micro-sphere for 30 minutes, then adding concentrated sulfuric acid, reacting for 2-4 hours at 80-90 degrees C, adjusting the pH value to 10-12, drying at 50 degrees C for 5-6 hours, obtaining sodium polystyrenesulfonate cation exchange resin microsphere, (iii) immersing sodium polystyrenesulfonate cation exchange resin microsphere in nickel chloride solution for 8-10 hours, then taking out, drying at 50 degrees C for 4-5 hours, obtaining nickel cation exchange resin micro-sphere, and (iv) calcining nickel cation exchange resin micro-sphere under nitrogen atmosphere at 650-750 degrees C for 5-6 hours, obtaining carrier nickel hollow carbon micro-sphere catalyst.