Abstract: The present invention is a method for manufacturing a high-performance composite active material of zinc oxide powder, which is a method for manufacturing a high-performance composite active zinc oxide material powder as an aid for an operation of shaping and vulcanization of rubber/plastic materials, generally carried out by mixing an alkali solution and a calcium compound, in combination with addition of a zinc salt to directly carry out a chemical reaction therewith through mixture so as to obtain a precipitation solution of a predetermined pH value, following a process of filtering to remove water to form an intermediate powder material, which is subjected to drying to form zinc oxide long crystal material exhibiting nanometer scale high performance composite activity, helping achieve a purpose of diversification of application of zinc oxide power in industry.