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Objects To explore the procedure that lunate bone decompression and the second metacarpal dorsal artery implantation under arthroscope on treatment of early avascular necrosis of lunate bone,and observe the curative effect.Methods 3 cases of lunate bone in patients with early stage avascular necrosis,undergoing lunate bone decompression and the second metacarpal dorsal artery implantation under arthroscope,follow-up visit patients symptoms,wrist joint mobility and the changes of wrist joint imaging,and functional assessment with the modified Mayo wrist score.