Anew mechanism for precipitating hydroxide apatite and collagen on titanium alloys for medical applications. The work presented includes the development of new mechanisms use to precipitate a coating layer of 300bm thickness which has been obtained with high specifications as provided by SEM, EDS,FTIR.This method has been excluded in HAp and collagen deposits prose es because difficult. due to collagen increase the osteoconductivity .in this research special operation methods were developed .