The project of Central Public Library of Milan aims to look through history and understand how the cultural system progressed and evolved alongside the urban development, as the new design should visually harmonize the urban context, and has connection with existing old city library of Palazzo Sormani, which was inaugurated in 1956 through the reconstruction and restoration of the prestigious XVI - XVIII century residence, led by the architect Arrigo Arrighetti. The proposed project site is located adjacent to Palazzo Sormani, which also sits above a historical border of Mediolanum, the ancient version of Milan. To integrate new library project to the area, was made analysis of project site, its surrounding buildings and material connection. Project volume heights were defined along with its axes, which marks the borders of project and its connection to the surrounding buildings. The main goal was to create a library which blends-in with Milanese architecture. And creation of a pavilion inside of the garden of Palazzo Sormani, design which aims to create a non-physical, visually strong connection to the Palazzo Sormani, and the new library.