Description of the main stages of the formation of modern views on architectural monuments, general principles of restoration of architectural monuments and their adaptation to modern use are presented, the main types of restoration work and the scope of their application are considered. The issues of research of architectural monuments and the development of restoration projects are covered in detail. Practical instructions are given for reading and studying old manuscripts, as well as information about the architectural structures used in the construction of architectural monuments. For students of architectural universities and faculties.