The collection of materials from the international scientific and methodological conference “Research in the Conservation of Cultural Heritage,” dedicated to the 50th anniversary of the State Research Institute for Restoration, includes reports representing a wide range of problems existing in the restoration industry. The topics of the reports concern general issues of preservation of cultural heritage objects in modern conditions, analysis and application of new research methods, development and use of new restoration materials, documentation of research and restoration processes, examination, attribution, etc. Published materials reflecting pressing problems of modern development of the industry, achievements in the field of scientific research and practical restoration work on monuments, as well as the difficulties in developing a number of issues and the prospects for their solution, are of undoubted interest for restorers and specialists in the field of cultural heritage protection, students of secondary and higher specialized educational institutions.