The problem analysis dealing with the Russian language preservation and promotion, including the Internet space, has shown the necessity to develop a special project «Library as a territory of the Russian language existence and promotion» on the basis of a system-integrated approach. Seven basic tasks were singled out involving all structural units of the library: to expand using the standard Russian literary language, to improve the quality of teaching Russian regardless of people’s residence, to support activities in the field of the Russian language study, to promote the Russian language throughout the world including by the Internet, to develop a set of measures to revive the interest in reading, to expand the availability of Russian classical literature works, to support literary creativity. The project objective is to improve the Russian language quality within the society different categories, and to raise the Russian language presence in the information space. The approach implemented within the project allows developing the library activity system determining the structural unit functions with identification of the most effective techniques, technologies, forms and methods of work for a specific target audience. Each problem is solved by a set of forms, methods, techniques, new formats, that allows optimizing the library multifunctional activity and making it effective and qualitative. The library monitors implementation of the project each aspects, develops social partnerships, and strengthens the library image.