One of the promising areas in the work of modern libraries that combine the traditional functions of the library with the functions of industry information centers is legal informing and information support of the law-making process. The globalization of the economy and political integration raise the issue not just about accumulation, processing, storage of national legal information, but also about the importance of literature collections on legal comparativistics, information support of transnational law. The article deals with the experience of foreign and domestic law libraries. Much attention is given to the main tasks and forms of legal libraries work, formation and development of legal funds and literature collections. The libraries that are charged with the functions the accumulation of legal resources suggests the active participation in this informational activity of the two types of libraries: the government libraries with the status of national that provide access to documents of national importance, carry out information support of political and legal processes. Another type of law libraries – academic, which providing the educational process and at the same time are centers of legal information, not only for the university community, but also for professional communities, regional authorities, civil society.