Under the background of the present era, the new construction mode of library can effectively break through the resource barrier, solve the problem of difficult utilization of library resources in the past, and give full play to the value of collection resources. In order to further enhance the effectiveness of smart library construction, it is necessary to actively introduce blockchain technology, make full use of its immutable and unforgeable characteristics, ensure the security of library collection resources while comprehensively promoting the interconnection of digital resources, so as to achieve accurate and scientific management.