The present invention relates to a method for preparing silver-supported hydroxyapatite using a sol-gel method, and more particularly, to a sol-gel caused by hydrolysis, polycondensation reaction and substitution reaction of P-alkoxide. It is easy to control pH and reaction temperature by controlling the molar ratio of phosphorus-alkoxide and water to optimize the hydrolysis of the phosphorus-alkoxide solution and adjusting the molar ratio of calcium salt to optimize the substitution of silver ions. The present invention relates to a method for preparing silver-supported hydroxyapatite having a uniform chemical composition and excellent antimicrobial properties by improving the manufacturing method so as to be synthesized at room temperature.;Silver, hydroxyapatite, sol-gel
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