PROBLEM TO BE SOLVED: To obtain high strength for purpose of being hardened even in the liquid.SOLUTION: There is provided an artificial bone material which includes sodium calcium phosphate powder with a calcium/sodium ratio between 1/1 and 3/1, α-tricalcium phosphate, and β-tricalcium phosphate and in which an average granular diameter of the sodium calcium phosphate powder is equal to or smaller than 300 μm.