Disclosed is a fish scale hydroxyapatite-containing human calcium supplement which contains fish scale-derived calcium. The fish scale-derived calcium is prepared by using citric acid to carry out the extraction of fish scale powder, obtaining the solids therein, and grinding and diluting to have a concentration of 10[mu]g/ml. The fish scale hydroxyapatite-containing human calcium supplement of the present invention has the effect of facilitating the growth of bone cell.一種含有魚鱗氫氧磷灰質之人體鈣補充品,包含有魚鱗鈣,該魚鱗鈣為魚鱗粉末以檸檬酸進行萃取後,取其固形物經研磨並稀釋至濃度10μg/ml,而具有可促進骨細胞生長之功效。