▎ 摘　　要

NOVELTY - Preparing wave-absorbing material, comprises (a) dispersing graphene oxide and polyaniline are in water, and ultrasonically stirring to obtain solution A, (b) dissolving the divalent iron salt and trivalent iron salt in water, stirring to obtain solution B, (c) mixing and stirring the solution A and solution B uniformly, and heating and stirring under the protection atmosphere to obtain solution C, (d) adjusting the pH of the solution C to alkaline, adding reducing agent, stirring uniformly to obtain solution D, (e) centrifuging the solution D, washing to obtain composite material, dispersing the composite material in water, stirring uniformly, spraying and drying. USE - Method for preparing wave-absorbing material. ADVANTAGE - The preparation method is simple, and at the same time, the wave-absorbing efficiency of the finished wave-absorbing material can be greatly improved.