The article outlines the development of Science and Technology and the advancement in information and communication opens up new opportunities for the change of public libraries. With the application of advanced achievements of modern technology, libraries have made significant strides in both operation and development scale. Traditional libraries have been replaced by virtual libraries and smart libraries. In order to enhance information resources in an "infinite way", create equality in accessing and exploiting information for all types of users, saving costs and avoiding waste, libraries are tend to link together, share and use the same library resources. Public libraries need to have intelligent library models that are innovative in thinking, technology and operating methods to be able to share invisible information resources to all users around the world without any problems or any barriers.

Scientific and technological information products and services are one of the important factors that create the scientific and technological information potential of each country. In the context of the Fourth Industrial Revolution having a strong impact on all aspects of socio-economic life, the policy of applying information technology to the development of information science and technology products and services needs improving to promote the provision of scientific and technological information products and services to organizations, individuals and businesses. On the basis of systematization and assessment of current regulations on information technology application policies in the development of information science and technology products and services, the study proposes some orientations to improve the current policy.