X -ray , SEM - EDX and FT - IR were used to analyze the early Six Dynasties gilt bronze animal head applique , and , based on the analytical results , protection programs were made. In the protection and repair process, deionized water was first used to fill the capillaries of the gilt bronze , and then strong acid ion exchange resin was used to quickly treat the green corrosion layer. Such a process could effectively clean the left side of the gilt bronze animal head applique.