PROBLEM TO BE SOLVED: To restore a deficiency part of an articular cartilage by a normal cartilaginous tissue and to restore deficiency parts of a subcartilaginous bone and a cartilage by a normal cartilaginous tissue in a case accompanying deficiency of the subcartilaginous bone. SOLUTION: The articular cartilage deficiency restoring material comprises carboxymethylchitin installed in the cartilage deficiency part in an articular sliding face of a human body. The articular deficiency restoring member is characterized by that a complex of carboxymethylchitin and a calcium phosphate-based material is fixed and integrated under the articular cartilage restoring material.