PROBLEM TO BE SOLVED: To provide a fat solidification agent which can solidify a fat although constituent fatty acids of an emulsifier contains practically no 20C or higher fatty acid.SOLUTION: A fat solidification agent contains an ingredient A consisting of a sorbitan fatty acid ester of an esterification ratio of 25-50% and an ingredient B consisting of a polyglyceryl fatty acid ester of an esterification ratio of 15% or higher.