▎ 摘　　要

NOVELTY - Method for improving anti-corrosion performance of powder coating, involves adding an anti-corrosion additive to the powder coating, where the anti-corrosion additive comprises a first additive, a second additive and/or a third additive, the first additive comprises nanoclay, the second additive comprises a barrier pigment and an inorganic salt antirust pigment, and the third additive comprises carbon nanotubes and their derivatives and metal powder with sacrificial anode function. USE - The method is used for improving anti-corrosion performance of powder coating. ADVANTAGE - The powder coating has high anticorrosion performance.