Changes have brought into existence in information technology have provided conditions which make possible accessing to authentic information without place or time prevention. It is on legal answer to ever - increasing process of Information needs of user which have provided in presenting of information among them changes in libraries Conitions in traditional form to authentic form as presentation of information.In these centers, different kinds of scientific sources related to subject (printed or inprinted), audio and visual facilities, Computerized technology such as hardware and software and communicative facilities offer services to user in different form in near or far places. The goal of compiling or collecting of existing essay under the name of technology application in presenting of scientific - medical information, explain of applicative researches and familiar with meaning which has been done in above mentioned field.