A preparation at least useful as a bone implant is provided, which contains a solid component including a lithium compound and a calcium compound. The preparation shows an anti-bacterial ability in comparison with a preparation contains the calcium compound but free of the lithium compound.本發明提供一種至少有用作為骨頭植入物的製劑,其包括一包含鋰化合物及鈣化合物的固體組分。與一包含鈣化合物但是無鋰化合物的製劑比較,該製劑顯示出一抗菌能力。